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CWE-122:Heap-based Buffer Overflow
Weakness ID:122
Version:v4.17
Weakness Name:Heap-based Buffer Overflow
Vulnerability Mapping:Allowed
Abstraction:Variant
Structure:Simple
Status:Draft
Likelihood of Exploit:High
DetailsContent HistoryObserved CVE ExamplesReports
2190Vulnerabilities found

CVE-2026-26156
Assigner-Microsoft Corporation
ShareView Details
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.14% / 34.23%
||
7 Day CHG+0.01%
Published-14 Apr, 2026 | 16:57
Updated-12 May, 2026 | 17:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Hyper-V Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_22h2windows_10_21h2windows_10_1809windows_11_25h2windows_server_2022windows_server_2025windows_10_1607windows_server_2019windows_11_26h1windows_11_24h2windows_server_2022_23h2windows_server_2016windows_11_23h2Windows Server 2019Windows 11 version 26H1Windows 10 Version 1809Windows 11 version 22H3Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2025 (Server Core installation)Windows 11 Version 25H2Windows 10 Version 22H2Windows 10 Version 21H2Windows Server 2016Windows 11 Version 24H2Windows Server 2019 (Server Core installation)Windows Server 2025Windows Server 2022Windows Server 2016 (Server Core installation)Windows 10 Version 1607Windows 11 Version 23H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-20
Improper Input Validation
CVE-2026-32223
Assigner-Microsoft Corporation
ShareView Details
Assigner-Microsoft Corporation
CVSS Score-6.8||MEDIUM
EPSS-0.08% / 24.11%
||
7 Day CHG+0.01%
Published-14 Apr, 2026 | 16:57
Updated-12 May, 2026 | 17:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows USB Printing Stack (usbprint.sys) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_24h2windows_11_26h1windows_11_25h2windows_server_2025Windows 11 Version 24H2Windows 11 version 26H1Windows Server 2025Windows Server 2025 (Server Core installation)Windows 11 Version 25H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-32221
Assigner-Microsoft Corporation
ShareView Details
Assigner-Microsoft Corporation
CVSS Score-8.4||HIGH
EPSS-0.06% / 19.71%
||
7 Day CHG+0.01%
Published-14 Apr, 2026 | 16:57
Updated-12 May, 2026 | 17:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_24h2windows_11_26h1windows_11_25h2windows_server_2025Windows 11 Version 24H2Windows 11 version 26H1Windows Server 2025Windows Server 2025 (Server Core installation)Windows 11 Version 25H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-32093
Assigner-Microsoft Corporation
ShareView Details
Assigner-Microsoft Corporation
CVSS Score-7||HIGH
EPSS-0.06% / 19.61%
||
7 Day CHG+0.01%
Published-14 Apr, 2026 | 16:57
Updated-12 May, 2026 | 17:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-Windows Server 2019Windows 11 version 26H1Windows 10 Version 1809Windows Server 2012 R2 (Server Core installation)Windows 11 version 22H3Windows Server 2012Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2025 (Server Core installation)Windows 11 Version 25H2Windows 10 Version 22H2Windows 10 Version 21H2Windows Server 2016Windows 11 Version 24H2Windows Server 2012 R2Windows Server 2019 (Server Core installation)Windows Server 2025Windows Server 2022Windows Server 2012 (Server Core installation)Windows 11 Version 23H2Windows Server 2016 (Server Core installation)Windows 10 Version 1607
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE ID-CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
CVE-2026-32087
Assigner-Microsoft Corporation
ShareView Details
Assigner-Microsoft Corporation
CVSS Score-7||HIGH
EPSS-0.05% / 16.29%
||
7 Day CHG+0.01%
Published-14 Apr, 2026 | 16:57
Updated-12 May, 2026 | 17:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_22h2windows_10_21h2windows_10_1809windows_11_25h2windows_server_2022windows_server_2025windows_10_1607windows_server_2019windows_11_26h1windows_11_24h2windows_server_2022_23h2windows_server_2016windows_11_23h2windows_server_2012Windows Server 2019Windows 11 version 26H1Windows 10 Version 1809Windows Server 2012 R2 (Server Core installation)Windows 11 version 22H3Windows Server 2012Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2025 (Server Core installation)Windows 11 Version 25H2Windows 10 Version 22H2Windows 10 Version 21H2Windows Server 2016Windows 11 Version 24H2Windows Server 2012 R2Windows Server 2019 (Server Core installation)Windows Server 2025Windows Server 2022Windows Server 2012 (Server Core installation)Windows 11 Version 23H2Windows Server 2016 (Server Core installation)Windows 10 Version 1607
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-26180
Assigner-Microsoft Corporation
ShareView Details
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.06% / 17.69%
||
7 Day CHG+0.01%
Published-14 Apr, 2026 | 16:57
Updated-12 May, 2026 | 17:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Kernel Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_22h2windows_10_21h2windows_10_1809windows_11_25h2windows_server_2022windows_server_2025windows_10_1607windows_server_2019windows_11_26h1windows_11_24h2windows_server_2022_23h2windows_server_2016windows_11_23h2windows_server_2012Windows Server 2019Windows 11 version 26H1Windows 10 Version 1809Windows Server 2012 R2 (Server Core installation)Windows 11 version 22H3Windows Server 2012Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2025 (Server Core installation)Windows 11 Version 25H2Windows 10 Version 22H2Windows 10 Version 21H2Windows Server 2016Windows 11 Version 24H2Windows Server 2012 R2Windows Server 2019 (Server Core installation)Windows Server 2025Windows Server 2022Windows Server 2012 (Server Core installation)Windows 11 Version 23H2Windows Server 2016 (Server Core installation)Windows 10 Version 1607
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-27285
Assigner-Adobe Systems Incorporated
ShareView Details
Assigner-Adobe Systems Incorporated
CVSS Score-5.5||MEDIUM
EPSS-0.02% / 6.04%
||
7 Day CHG~0.00%
Published-14 Apr, 2026 | 16:45
Updated-16 Apr, 2026 | 15:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application or disrupt its functionality. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-indesignwindowsmacosInDesign Desktop
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-27286
Assigner-Adobe Systems Incorporated
ShareView Details
Assigner-Adobe Systems Incorporated
CVSS Score-5.5||MEDIUM
EPSS-0.03% / 7.23%
||
7 Day CHG~0.00%
Published-14 Apr, 2026 | 16:45
Updated-16 Apr, 2026 | 15:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-indesignwindowsmacosInDesign Desktop
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-27238
Assigner-Adobe Systems Incorporated
ShareView Details
Assigner-Adobe Systems Incorporated
CVSS Score-7.8||HIGH
EPSS-0.03% / 8.52%
||
7 Day CHG~0.00%
Published-14 Apr, 2026 | 16:45
Updated-16 Apr, 2026 | 15:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationAdobe Inc.
Product-indesignwindowsmacosInDesign Desktop
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-22828
Assigner-Fortinet, Inc.
ShareView Details
Assigner-Fortinet, Inc.
CVSS Score-7.3||HIGH
EPSS-0.19% / 40.97%
||
7 Day CHG+0.02%
Published-14 Apr, 2026 | 15:38
Updated-01 May, 2026 | 12:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based buffer overflow vulnerability in Fortinet FortiAnalyzer Cloud 7.6.2 through 7.6.4, FortiManager Cloud 7.6.2 through 7.6.4 may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests. Successful exploitation would require a large amount of effort in preparation because of ASLR and network segmentation

Action-Not Available
Vendor-Fortinet, Inc.
Product-fortimanager_cloudfortianalyzer_cloudFortiManager CloudFortiAnalyzer Cloud
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-40310
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.01% / 0.34%
||
7 Day CHG~0.00%
Published-13 Apr, 2026 | 21:32
Updated-17 Apr, 2026 | 20:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
ImageMagick: Heap out-of-bounds write in JP2 encoder

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions below both 7.1.2-19 and 6.9.13-44, contain a heap out-of-bounds write in the JP2 encoder with when a user specifies an invalid sampling index. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

Action-Not Available
Vendor-ImageMagick Studio LLC
Product-imagemagickImageMagick
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-40183
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.01% / 0.22%
||
7 Day CHG~0.00%
Published-13 Apr, 2026 | 21:28
Updated-17 Apr, 2026 | 20:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
ImageMagick: Heap buffer overflow when encoding JXL image with a 16-bit float

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.

Action-Not Available
Vendor-ImageMagick Studio LLC
Product-imagemagickImageMagick
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-40169
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-6.2||MEDIUM
EPSS-0.01% / 0.26%
||
7 Day CHG~0.00%
Published-13 Apr, 2026 | 21:25
Updated-17 Apr, 2026 | 20:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
ImageMagick: Heap buffer overflow (WRITE) in the YAML and JSON encoders

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, a crafted image could result in an out of bounds heap write when writing a yaml or json output, resulting in a crash. This issue has been fixed in version 7.1.2-19.

Action-Not Available
Vendor-ImageMagick Studio LLC
Product-imagemagickImageMagick
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-33901
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.06% / 18.16%
||
7 Day CHG+0.01%
Published-13 Apr, 2026 | 20:56
Updated-17 Apr, 2026 | 20:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
ImageMagick has a Heap Buffer Overflow via MVG decoder

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when processing a crafted image. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

Action-Not Available
Vendor-ImageMagick Studio LLC
Product-imagemagickImageMagick
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-33899
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-5.3||MEDIUM
EPSS-0.02% / 5.28%
||
7 Day CHG~0.00%
Published-13 Apr, 2026 | 20:46
Updated-17 Apr, 2026 | 21:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
ImageMagick: Heap BufferOverflow write of single zero byte when parsing XML

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-189 and 6.9.13-44, when `Magick` parses an XML file it is possible that a single zero byte is written out of the bounds. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

Action-Not Available
Vendor-ImageMagick Studio LLC
Product-imagemagickImageMagick
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-191
Integer Underflow (Wrap or Wraparound)
CVE-2026-32316
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-8.2||HIGH
EPSS-0.06% / 18.15%
||
7 Day CHG+0.01%
Published-13 Apr, 2026 | 17:49
Updated-22 Apr, 2026 | 16:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
jq: Integer overflow in jvp_string_append() allows Heap-based Buffer Overflow

jq is a command-line JSON processor. An integer overflow vulnerability exists through version 1.8.1 within the jvp_string_append() and jvp_string_copy_replace_bad functions, where concatenating strings with a combined length exceeding 2^31 bytes causes a 32-bit unsigned integer overflow in the buffer allocation size calculation, resulting in a drastically undersized heap buffer. Subsequent memory copy operations then write the full string data into this undersized buffer, causing a heap buffer overflow classified as CWE-190 (Integer Overflow) leading to CWE-122 (Heap-based Buffer Overflow). Any system evaluating untrusted jq queries is affected, as an attacker can crash the process or potentially achieve further exploitation through heap corruption by crafting queries that produce extremely large strings. The root cause is the absence of string size bounds checking, unlike arrays and objects which already have size limits. The issue has been addressed in commit e47e56d226519635768e6aab2f38f0ab037c09e5.

Action-Not Available
Vendor-jqlangjqlang
Product-jqjq
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-190
Integer Overflow or Wraparound
CVE-2026-34865
Assigner-Huawei Technologies
ShareView Details
Assigner-Huawei Technologies
CVSS Score-10||CRITICAL
EPSS-0.03% / 8.86%
||
7 Day CHG~0.00%
Published-13 Apr, 2026 | 06:02
Updated-17 Apr, 2026 | 19:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

Action-Not Available
Vendor-Huawei Technologies Co., Ltd.
Product-harmonyosHarmonyOS
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-25205
Assigner-Samsung TV & Appliance
ShareView Details
Assigner-Samsung TV & Appliance
CVSS Score-7.4||HIGH
EPSS-0.04% / 12.12%
||
7 Day CHG~0.00%
Published-13 Apr, 2026 | 04:38
Updated-28 Apr, 2026 | 21:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows out-of-bounds write.This issue affects Escargot:commit hash  97e8115ab1110bc502b4b5e4a0c689a71520d335 .

Action-Not Available
Vendor-Samsung Open SourceSamsung
Product-escargotEscargot
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-30999
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.06% / 18.09%
||
7 Day CHG+0.01%
Published-13 Apr, 2026 | 00:00
Updated-23 Apr, 2026 | 20:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap buffer overflow in the av_bprint_finalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Action-Not Available
Vendor-n/aFFmpeg
Product-ffmpegn/a
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-4153
Assigner-Zero Day Initiative
ShareView Details
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-0.07% / 20.86%
||
7 Day CHG+0.01%
Published-11 Apr, 2026 | 00:16
Updated-14 Apr, 2026 | 19:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
GIMP PSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

GIMP PSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PSP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28874.

Action-Not Available
Vendor-GIMP
Product-gimpGIMP
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-4152
Assigner-Zero Day Initiative
ShareView Details
Assigner-Zero Day Initiative
CVSS Score-7.8||HIGH
EPSS-0.04% / 11.10%
||
7 Day CHG~0.00%
Published-11 Apr, 2026 | 00:15
Updated-14 Apr, 2026 | 19:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
GIMP JP2 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

GIMP JP2 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JP2 files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28863.

Action-Not Available
Vendor-GIMP
Product-gimpGIMP
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-29043
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.04% / 10.94%
||
7 Day CHG~0.00%
Published-10 Apr, 2026 | 15:35
Updated-16 Apr, 2026 | 19:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
HDF5 H5T__ref_mem_setnull Heap Buffer Overflow

HDF5 is software for managing data. In 1.14.1-2 and earlier, an attacker who can control an h5 file parsed by HDF5 can trigger a write-based heap buffer overflow condition in the H5T__ref_mem_setnull method. This can lead to a denial-of-service condition, and potentially further issues such as remote code execution depending on the practical exploitability of the heap overflow against modern operating systems.

Action-Not Available
Vendor-The HDF Group
Product-hdf5hdf5
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5448
Assigner-wolfSSL Inc.
ShareView Details
Assigner-wolfSSL Inc.
CVSS Score-2.3||LOW
EPSS-0.02% / 5.26%
||
7 Day CHG~0.00%
Published-09 Apr, 2026 | 23:18
Updated-29 Apr, 2026 | 13:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
1-2 Byte Buffer Overflow in wolfSSL_X509_notAfter/notBefore

X.509 date buffer overflow in wolfSSL_X509_notAfter / wolfSSL_X509_notBefore. A buffer overflow may occur when parsing date fields from a crafted X.509 certificate via the compatibility layer API. This is only triggered when calling these two APIs directly from an application, and does not affect TLS or certificate verify operations in wolfSSL.

Action-Not Available
Vendor-wolfsslwolfSSL
Product-wolfsslwolfSSL
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5264
Assigner-wolfSSL Inc.
ShareView Details
Assigner-wolfSSL Inc.
CVSS Score-8.3||HIGH
EPSS-0.14% / 33.31%
||
7 Day CHG+0.01%
Published-09 Apr, 2026 | 21:43
Updated-29 Apr, 2026 | 17:18
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
DTLS 1.3 ACK heap buffer overflow

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow.

Action-Not Available
Vendor-wolfsslwolfSSL
Product-wolfsslwolfSSL
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5447
Assigner-wolfSSL Inc.
ShareView Details
Assigner-wolfSSL Inc.
CVSS Score-6.3||MEDIUM
EPSS-0.03% / 10.29%
||
7 Day CHG~0.00%
Published-09 Apr, 2026 | 20:13
Updated-29 Apr, 2026 | 17:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Heap buffer overflow in CertFromX509() via AuthorityKeyIdentifier

Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension.

Action-Not Available
Vendor-wolfsslwolfSSL
Product-wolfsslwolfSSL
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5187
Assigner-wolfSSL Inc.
ShareView Details
Assigner-wolfSSL Inc.
CVSS Score-2.3||LOW
EPSS-0.06% / 17.10%
||
7 Day CHG+0.01%
Published-09 Apr, 2026 | 19:45
Updated-16 Apr, 2026 | 20:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Heap Out-of-Bounds Write in DecodeObjectId() in wolfSSL

Two potential heap out-of-bounds write locations existed in DecodeObjectId() in wolfcrypt/src/asn.c. First, a bounds check only validates one available slot before writing two OID arc values (out[0] and out[1]), enabling a 2-byte out-of-bounds write when outSz equals 1. Second, multiple callers pass sizeof(decOid) (64 bytes on 64-bit platforms) instead of the element count MAX_OID_SZ (32), causing the function to accept crafted OIDs with 33 or more arcs that write past the end of the allocated buffer.

Action-Not Available
Vendor-wolfsslwolfSSL
Product-wolfsslwolfSSL
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-5869
Assigner-Chrome
ShareView Details
Assigner-Chrome
CVSS Score-4.3||MEDIUM
EPSS-0.03% / 9.26%
||
7 Day CHG~0.00%
Published-08 Apr, 2026 | 21:20
Updated-14 Apr, 2026 | 13:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationGoogle LLCLinux Kernel Organization, Inc
Product-linux_kernelchromewindowsmacosChrome
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5868
Assigner-Chrome
ShareView Details
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.10% / 27.16%
||
7 Day CHG~0.00%
Published-08 Apr, 2026 | 21:20
Updated-13 Apr, 2026 | 18:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Heap buffer overflow in ANGLE in Google Chrome on Mac prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Google LLCApple Inc.
Product-chromemacosChrome
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5867
Assigner-Chrome
ShareView Details
Assigner-Chrome
CVSS Score-4.3||MEDIUM
EPSS-0.03% / 9.26%
||
7 Day CHG~0.00%
Published-08 Apr, 2026 | 21:20
Updated-14 Apr, 2026 | 13:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationGoogle LLCLinux Kernel Organization, Inc
Product-linux_kernelchromewindowsmacosChrome
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5864
Assigner-Chrome
ShareView Details
Assigner-Chrome
CVSS Score-4.3||MEDIUM
EPSS-0.03% / 9.26%
||
7 Day CHG~0.00%
Published-08 Apr, 2026 | 21:20
Updated-14 Apr, 2026 | 13:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Heap buffer overflow in WebAudio in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationGoogle LLCLinux Kernel Organization, Inc
Product-linux_kernelchromewindowsmacosChrome
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5858
Assigner-Chrome
ShareView Details
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.09% / 24.97%
||
7 Day CHG~0.00%
Published-08 Apr, 2026 | 21:20
Updated-13 Apr, 2026 | 17:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationGoogle LLCLinux Kernel Organization, Inc
Product-linux_kernelchromewindowsmacosChrome
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-35199
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-6.1||MEDIUM
EPSS-0.06% / 17.11%
||
7 Day CHG~0.00%
Published-06 Apr, 2026 | 19:44
Updated-16 Apr, 2026 | 04:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
SymCrypt SymCryptXmssSign function - Heap overflow via 64->32-bit leaf-count truncation

SymCrypt is the core cryptographic function library currently used by Windows. From 103.5.0 to before 103.11.0, The SymCryptXmssSign function passes a 64-bit leaf count value to a helper function that accepts a 32-bit parameter. For XMSS^MT parameter sets with total tree height >= 32 (which includes standard predefined parameters), this causes silent truncation to zero, resulting in a drastically undersized scratch buffer allocation followed by a heap buffer overflow during signature computation. Exploiting this issue would require an application using SymCrypt to perform an XMSS^MT signature using an attacker-controlled parameter set. It is uncommon for applications to allow the use of attacker-controlled parameter sets for signing, since signing is a private key operation, and private keys must be trusted by definition. Additionally, XMSS(^MT) signing should only be performed in a Hardware Security Module (HSM). XMSS(^MT) signing is provided in SymCrypt only for testing purposes. This is a general rule irrespective of this CVE; XMSS(^MT) and other stateful signature schemes are only cryptographically secure when it is guaranteed that the same state cannot be reused for two different signatures, which cannot be guaranteed by software alone. For this reason, XMSS(^MT) signing is also not FIPS approved when performed outside of an HSM. Fixed in version 103.11.0.

Action-Not Available
Vendor-Microsoft Corporation
Product-symcryptSymCrypt
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-21372
Assigner-Qualcomm, Inc.
ShareView Details
Assigner-Qualcomm, Inc.
CVSS Score-7.8||HIGH
EPSS-0.01% / 0.43%
||
7 Day CHG~0.00%
Published-06 Apr, 2026 | 15:33
Updated-08 Apr, 2026 | 21:07
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Heap-Based Buffer Overflow in Power Management IC

Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.

Action-Not Available
Vendor-Qualcomm Technologies, Inc.
Product-wsa8845h_firmwareqcm6490x2000086x2000092xg101002_firmwaresnapdragon_460_mobile_platformfastconnect_6900_firmwaresnapdragon_7c\+_gen_3_computewcd9378c_firmwarewsa8840wsa8845hvideo_collaboration_vc3_platformcologne_firmwarevideo_collaboration_vc3_platform_firmwarewcd9370xg101032snapdragon_662_mobile_platformx2000077wcd9375_firmwarex2000086_firmwarewcn3988x2000077_firmwarex2000094_firmwarex2000094snapdragon_662_mobile_platform_firmwarewsa8845_firmwarewcd9385_firmwarexg101032_firmwarewcd9378cx2000092_firmwarexg101039_firmwaresnapdragon_460_mobile_platform_firmwarefastconnect_7800fastconnect_6700qcm5430x2000090xg101039wcd9375fastconnect_6700_firmwareqcm6490_firmwarewcn3950wcd9370_firmwarewcn3988_firmwarewcd9385wcd9380_firmwareqcm5430_firmwaresnapdragon_7c\+_gen_3_compute_firmwarewcn3950_firmwarewsa8840_firmwarefastconnect_7800_firmwarex2000090_firmwarexg101002wsa8845wcd9380fastconnect_6900cologneSnapdragon
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34979
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-5.3||MEDIUM
EPSS-0.08% / 22.82%
||
7 Day CHG+0.02%
Published-03 Apr, 2026 | 21:16
Updated-16 Apr, 2026 | 18:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
OpenPrinting CUPS: Heap overflow in `get_options()`

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly available patches.

Action-Not Available
Vendor-openprintingOpenPrinting
Product-cupscups
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5474
Assigner-VulDB
ShareView Details
Assigner-VulDB
CVSS Score-5.3||MEDIUM
EPSS-0.02% / 5.80%
||
7 Day CHG~0.00%
Published-03 Apr, 2026 | 17:00
Updated-30 Apr, 2026 | 21:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
NASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MSG_GetSize heap-based overflow

A vulnerability was found in NASA cFS up to 7.0.0. This affects the function CFE_MSG_GetSize of the file apps/to_lab/fsw/src/to_lab_passthru_encode.c of the component CCSDS Packet Header Handler. Performing a manipulation results in heap-based buffer overflow. The attacker must have access to the local network to execute the attack. The project was informed of the problem early through an issue report but has not responded yet.

Action-Not Available
Vendor-nasaNASA
Product-core_flight_systemcFS
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34743
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-1.7||LOW
EPSS-0.06% / 18.77%
||
7 Day CHG~0.00%
Published-02 Apr, 2026 | 18:36
Updated-15 Apr, 2026 | 17:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
XZ Utils: Buffer overflow in lzma_index_append()

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzma_index_decoder() was used to decode an Index that contained no Records, the resulting lzma_index was left in a state where where a subsequent lzma_index_append() would allocate too little memory, and a buffer overflow would occur. This issue has been patched in version 5.8.3.

Action-Not Available
Vendor-tukaanitukaani-project
Product-xzxz
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34120
Assigner-TP-Link Systems Inc.
ShareView Details
Assigner-TP-Link Systems Inc.
CVSS Score-7.1||HIGH
EPSS-0.03% / 7.12%
||
7 Day CHG~0.00%
Published-02 Apr, 2026 | 17:19
Updated-06 Apr, 2026 | 20:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WS

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the asynchronous parsing of local video stream content due to insufficient alignment and validation of buffer boundaries when processing streaming inputs.An attacker on the same network segment could trigger heap memory corruption conditions by sending crafted payloads that cause write operations beyond allocated buffer boundaries.  Successful exploitation causes a Denial-of-Service (DoS) condition, causing the device’s process to crash or become unresponsive.

Action-Not Available
Vendor-TP-Link Systems Inc.TP-Link Systems Inc.
Product-tapo_c520wstapo_c520ws_firmwareTapo C520WS v2.6
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34119
Assigner-TP-Link Systems Inc.
ShareView Details
Assigner-TP-Link Systems Inc.
CVSS Score-7.1||HIGH
EPSS-0.03% / 7.12%
||
7 Day CHG~0.00%
Published-02 Apr, 2026 | 17:19
Updated-06 Apr, 2026 | 20:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WS

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the HTTP parsing loop when appending segmented request bodies without continuous write‑boundary verification, due to insufficient boundary validation when handling externally supplied HTTP input.  An attacker on the same network segment could trigger heap memory corruption conditions by sending crafted payloads that cause write operations beyond allocated buffer boundaries.  Successful exploitation causes a Denial-of-Service (DoS) condition, causing the device’s process to crash or become unresponsive.

Action-Not Available
Vendor-TP-Link Systems Inc.TP-Link Systems Inc.
Product-tapo_c520wstapo_c520ws_firmwareTapo C520WS v2.6
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34118
Assigner-TP-Link Systems Inc.
ShareView Details
Assigner-TP-Link Systems Inc.
CVSS Score-7.1||HIGH
EPSS-0.03% / 7.12%
||
7 Day CHG~0.00%
Published-02 Apr, 2026 | 17:19
Updated-06 Apr, 2026 | 20:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WS

A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 in the HTTP POST body parsing logic due to missing validation of remaining buffer capacity after dynamic allocation, due to insufficient boundary validation when handling externally supplied HTTP input.  An attacker on the same network segment could trigger heap memory corruption conditions by sending crafted payloads that cause write operations beyond allocated buffer boundaries.  Successful exploitation causes a Denial-of-Service (DoS) condition, causing the device’s process to crash or become unresponsive.

Action-Not Available
Vendor-TP-Link Systems Inc.TP-Link Systems Inc.
Product-tapo_c520wstapo_c520ws_firmwareTapo C520WS v2.6
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5244
Assigner-VulDB
ShareView Details
Assigner-VulDB
CVSS Score-6.9||MEDIUM
EPSS-0.10% / 27.14%
||
7 Day CHG+0.03%
Published-02 Apr, 2026 | 08:00
Updated-29 Apr, 2026 | 21:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Cesanta Mongoose TLS 1.3 mongoose.c mg_tls_recv_cert heap-based overflow

A vulnerability has been found in Cesanta Mongoose up to 7.20. This affects the function mg_tls_recv_cert of the file mongoose.c of the component TLS 1.3 Handler. Such manipulation of the argument pubkey leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 7.21 mitigates this issue. The name of the patch is 0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Action-Not Available
Vendor-cesantaCesanta
Product-mongooseMongoose
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34545
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-8.4||HIGH
EPSS-0.08% / 23.96%
||
7 Day CHG~0.00%
Published-01 Apr, 2026 | 20:51
Updated-07 Apr, 2026 | 20:04
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
OpenEXR: integer overflow lead to OOB in HTJ2K decoder

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write controlled data beyond the output heap buffer in any application that decodes EXR images. The write primitive is 2 bytes per overflow iteration or 4 bytes (by another path), repeating for each additional pixel past the overflow point. In this context, a heap write overflow can lead to remote code execution on systems. This issue has been patched in version 3.4.7.

Action-Not Available
Vendor-openexrAcademySoftwareFoundation
Product-openexropenexr
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-190
Integer Overflow or Wraparound
CVE-2026-5272
Assigner-Chrome
ShareView Details
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.03% / 7.83%
||
7 Day CHG~0.00%
Published-01 Apr, 2026 | 04:41
Updated-02 Apr, 2026 | 03:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Heap buffer overflow in GPU in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationGoogle LLCLinux Kernel Organization, Inc
Product-linux_kernelchromewindowsmacosChrome
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5275
Assigner-Chrome
ShareView Details
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-0.03% / 7.83%
||
7 Day CHG~0.00%
Published-01 Apr, 2026 | 04:41
Updated-02 Apr, 2026 | 03:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Heap buffer overflow in ANGLE in Google Chrome on Mac prior to 146.0.7680.178 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

Action-Not Available
Vendor-Apple Inc.Microsoft CorporationGoogle LLCLinux Kernel Organization, Inc
Product-linux_kernelchromewindowsmacosChrome
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5236
Assigner-VulDB
ShareView Details
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.01% / 0.45%
||
7 Day CHG~0.00%
Published-31 Mar, 2026 | 23:00
Updated-24 Apr, 2026 | 18:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Axiomatic Bento4 DSI v1 Ap4Dac4Atom.cpp SkipBits heap-based overflow

A vulnerability was identified in Axiomatic Bento4 up to 1.6.0-641. Affected is the function AP4_BitReader::SkipBits of the file Ap4Dac4Atom.cpp of the component DSI v1 Parser. Such manipulation of the argument n_presentations leads to heap-based buffer overflow. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Action-Not Available
Vendor-Axiomatic Systems, LLC
Product-Bento4
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5235
Assigner-VulDB
ShareView Details
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.02% / 4.04%
||
7 Day CHG~0.00%
Published-31 Mar, 2026 | 22:15
Updated-24 Apr, 2026 | 18:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Axiomatic Bento4 MP4 File Ap4Dac4Atom.cpp ReadCache heap-based overflow

A vulnerability was determined in Axiomatic Bento4 up to 1.6.0-641. This impacts the function AP4_BitReader::ReadCache of the file Ap4Dac4Atom.cpp of the component MP4 File Parser. This manipulation causes heap-based buffer overflow. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Action-Not Available
Vendor-Axiomatic Systems, LLC
Product-Bento4
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34540
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-6.2||MEDIUM
EPSS-0.02% / 4.09%
||
7 Day CHG+0.01%
Published-31 Mar, 2026 | 22:03
Updated-20 Apr, 2026 | 13:53
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
iccDEV: HBO in icMemDump()

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger a heap-buffer-overflow (HBO) in icMemDump() when iccDumpProfile attempts to dump/describe malformed tag contents. The issue is observable under AddressSanitizer as an out-of-bounds heap read in icMemDump(...) at IccProfLib/IccUtil.cpp:1002, reachable via CIccTagUnknown::Describe(). This issue has been patched in version 2.3.1.6.

Action-Not Available
Vendor-InternationalColorConsortiumInternational Color Consortium (ICC)
Product-iccdeviccDEV
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34539
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-6.2||MEDIUM
EPSS-0.02% / 4.09%
||
7 Day CHG+0.01%
Published-31 Mar, 2026 | 22:01
Updated-20 Apr, 2026 | 13:52
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
iccDEV: HBO in CTiffImg::WriteLine()

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile and TIFF input can trigger a heap-buffer-overflow (HBO) in CTiffImg::WriteLine(). The issue is observable under AddressSanitizer as an out-of-bounds heap read when running iccSpecSepToTiff on a malicious .icc + .tif pair, leading to a crash during TIFF strip writing. This issue has been patched in version 2.3.1.6.

Action-Not Available
Vendor-InternationalColorConsortiumInternational Color Consortium (ICC)
Product-iccdeviccDEV
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34535
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-6.2||MEDIUM
EPSS-0.02% / 4.09%
||
7 Day CHG+0.01%
Published-31 Mar, 2026 | 21:58
Updated-20 Apr, 2026 | 13:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
iccDEV: SEGV in CIccTagArray::Cleanup()

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger a segmentation fault (SEGV) in CIccTagArray::Cleanup(). The issue is observable under UBSan/ASan as misaligned member access / misaligned pointer loads followed by an invalid read leading to process crash when running iccRoundTrip on a malicious profile. This issue has been patched in version 2.3.1.6.

Action-Not Available
Vendor-InternationalColorConsortiumInternational Color Consortium (ICC)
Product-iccdeviccDEV
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-34534
Assigner-GitHub, Inc.
ShareView Details
Assigner-GitHub, Inc.
CVSS Score-6.2||MEDIUM
EPSS-0.01% / 2.10%
||
7 Day CHG~0.00%
Published-31 Mar, 2026 | 21:57
Updated-20 Apr, 2026 | 13:41
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
iccDEV: HBO in CIccMpeSpectralMatrix::Describe()

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger a heap-buffer-overflow (HBO) in CIccMpeSpectralMatrix::Describe(). The issue is observable under AddressSanitizer as an out-of-bounds heap read when running iccDumpProfile on a malicious profile. This issue has been patched in version 2.3.1.6.

Action-Not Available
Vendor-InternationalColorConsortiumInternational Color Consortium (ICC)
Product-iccdeviccDEV
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5201
Assigner-Red Hat, Inc.
ShareView Details
Assigner-Red Hat, Inc.
CVSS Score-7.5||HIGH
EPSS-0.74% / 73.25%
||
7 Day CHG~0.00%
Published-31 Mar, 2026 | 08:32
Updated-14 May, 2026 | 23:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Gdk-pixbuf: gdk-pixbuf: denial of service via heap-based buffer overflow when processing a specially crafted jpeg image

A flaw was found in the gdk-pixbuf library. This heap-based buffer overflow vulnerability occurs in the JPEG image loader due to improper validation of color component counts when processing a specially crafted JPEG image. A remote attacker can exploit this flaw without user interaction, for example, via thumbnail generation. Successful exploitation leads to application crashes and denial of service (DoS) conditions.

Action-Not Available
Vendor-The GNOME ProjectRed Hat, Inc.
Product-gdk-pixbufenterprise_linux_server_tusenterprise_linux_server_ausenterprise_linuxRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 6Red Hat AI Inference Server 3.3Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 9Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-5185
Assigner-VulDB
ShareView Details
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.01% / 3.39%
||
7 Day CHG~0.00%
Published-31 Mar, 2026 | 06:45
Updated-24 Apr, 2026 | 18:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Nothings stb_image Multi-frame GIF File stb_image.h stbi__gif_load_next heap-based overflow

A security flaw has been discovered in Nothings stb_image up to 2.30. This affects the function stbi__gif_load_next of the file stb_image.h of the component Multi-frame GIF File Handler. The manipulation results in heap-based buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Action-Not Available
Vendor-Nothings
Product-stb_image
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
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