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Vulnerability Details :

CVE-2026-42530

Summary
Assigner-f5
Assigner Org ID-9dacffd4-cb11-413f-8451-fbbfd4ddc0ab
Published At-17 Jun, 2026 | 14:04
Updated At-18 Jun, 2026 | 03:57
Rejected At-
Credits

NGINX Open-Source ngx_http_v3_module vulnerability

NGINX Open Source has a vulnerability in the ngx_http_v3_module module. When NGINX Open Source is configured to use the HTTP/3 QUIC module, a remote unauthenticated attacker along with conditions beyond their control can use a specially crafted HTTP/3 session to reopen a QPACK encoder stream. This may cause a Use-after-Free in the NGINX worker process leading to a restart. Additionally, attackers can execute code on systems with Address Space Layout Randomization (ASLR) disabled or when the attacker can bypass ASLR. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:f5
Assigner Org ID:9dacffd4-cb11-413f-8451-fbbfd4ddc0ab
Published At:17 Jun, 2026 | 14:04
Updated At:18 Jun, 2026 | 03:57
Rejected At:
▼CVE Numbering Authority (CNA)
NGINX Open-Source ngx_http_v3_module vulnerability

NGINX Open Source has a vulnerability in the ngx_http_v3_module module. When NGINX Open Source is configured to use the HTTP/3 QUIC module, a remote unauthenticated attacker along with conditions beyond their control can use a specially crafted HTTP/3 session to reopen a QPACK encoder stream. This may cause a Use-after-Free in the NGINX worker process leading to a restart. Additionally, attackers can execute code on systems with Address Space Layout Randomization (ASLR) disabled or when the attacker can bypass ASLR. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected Products
Vendor
F5, Inc.F5
Product
NGINX Open Source
Modules
  • ngx_http_v3_module
Default Status
unknown
Versions
Affected
  • From 1.31.0 before 1.31.2 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-416CWE-416 Use After Free
Type: CWE
CWE ID: CWE-416
Description: CWE-416 Use After Free
Metrics
VersionBase scoreBase severityVector
3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
4.09.2CRITICAL
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 9.2
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
"F5 acknowledges Trung Nguyen (@everping) of CyStack, Zhenpeng (Leo) Lin (depthfirst), Evan Hellman (@xintenseapple) of Trail of Bits in collaboration with OpenAI, AntAISecurityLab, and Nebula Security (@nebusecurity) for bringing this issue to our attention and following the highest standards of coordinated disclosure."
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://my.f5.com/manage/s/article/K000161616
vendor-advisory
Hyperlink: https://my.f5.com/manage/s/article/K000161616
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:f5sirt@f5.com
Published At:17 Jun, 2026 | 15:16
Updated At:18 Jun, 2026 | 04:16

NGINX Open Source has a vulnerability in the ngx_http_v3_module module. When NGINX Open Source is configured to use the HTTP/3 QUIC module, a remote unauthenticated attacker along with conditions beyond their control can use a specially crafted HTTP/3 session to reopen a QPACK encoder stream. This may cause a Use-after-Free in the NGINX worker process leading to a restart. Additionally, attackers can execute code on systems with Address Space Layout Randomization (ASLR) disabled or when the attacker can bypass ASLR. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.09.2CRITICAL
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A
Type: Secondary
Version: 4.0
Base score: 9.2
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-416Secondaryf5sirt@f5.com
CWE ID: CWE-416
Type: Secondary
Source: f5sirt@f5.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://my.f5.com/manage/s/article/K000161616f5sirt@f5.com
N/A
Hyperlink: https://my.f5.com/manage/s/article/K000161616
Source: f5sirt@f5.com
Resource: N/A

Change History

0
Information is not available yet

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Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability

Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_10_1809windows_server_2016windows_server_2012windows_server_2008windows_8.1windows_rt_8.1windows_11_21h2windows_7windows_10_22h2windows_server_2022windows_10_20h2windows_11_22h2windows_server_2019windows_10_1607Windows Server 2022Windows 10 Version 1607Windows 11 version 22H2Windows Server 2019 (Server Core installation)Windows Server 2008 Service Pack 2Windows 10 Version 1809Windows Server 2016 (Server Core installation)Windows 11 version 21H2Windows 8.1Windows 7Windows Server 2012 (Server Core installation)Windows 7 Service Pack 1Windows 10 Version 20H2Windows Server 2016Windows 10 Version 1507Windows 10 Version 21H2Windows Server 2008 R2 Service Pack 1Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2012 R2Windows Server 2019Windows Server 2012Windows Server 2008 Service Pack 2Windows Server 2012 R2 (Server Core installation)Windows 10 Version 22H2
CWE ID-CWE-416
Use After Free
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2023-20893
Matching Score-4
Assigner-VMware by Broadcom
ShareView Details
Matching Score-4
Assigner-VMware by Broadcom
CVSS Score-8.1||HIGH
EPSS-1.25% / 65.52%
||
7 Day CHG+0.04%
Published-22 Jun, 2023 | 11:52
Updated-13 Feb, 2025 | 16:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The VMware vCenter Server contains a use-after-free vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit this issue to execute arbitrary code on the underlying operating system that hosts vCenter Server.

Action-Not Available
Vendor-VMware (Broadcom Inc.)
Product-vcenter_serverVMware Cloud Foundation (vCenter Server)VMware vCenter Server (vCenter Server)
CWE ID-CWE-416
Use After Free
CVE-2012-4969
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-81.72% / 99.60%
||
7 Day CHG~0.00%
Published-18 Sep, 2012 | 10:00
Updated-21 Apr, 2026 | 18:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2022-06-22||Apply updates per vendor instructions.

Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-internet_explorerwindows_7windows_server_2008windows_vistawindows_xpwindows_server_2003n/aInternet Explorer
CWE ID-CWE-416
Use After Free
CVE-2012-1539
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-25.37% / 97.67%
||
7 Day CHG~0.00%
Published-14 Nov, 2012 | 00:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site, aka "CTreePos Use After Free Vulnerability."

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-internet_explorerwindows_vistawindows_7windows_server_2008n/aie
CWE ID-CWE-416
Use After Free
CVE-2023-41774
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-8.1||HIGH
EPSS-1.26% / 65.82%
||
7 Day CHG~0.00%
Published-10 Oct, 2023 | 17:07
Updated-14 Apr, 2025 | 22:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability

Layer 2 Tunneling Protocol Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_10_1809windows_server_2016windows_server_2012windows_server_2008windows_10_1507windows_11_21h2windows_10_22h2windows_server_2022windows_11_22h2windows_server_2019windows_10_1607Windows 10 Version 1607Windows Server 2008 Service Pack 2Windows Server 2012 (Server Core installation)Windows Server 2016 (Server Core installation)Windows 11 version 22H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows 10 Version 1809Windows 10 Version 22H2Windows Server 2016Windows Server 2012 R2Windows 10 Version 1507Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2008 R2 Service Pack 1Windows Server 2019 (Server Core installation)Windows Server 2008 Service Pack 2Windows Server 2012Windows Server 2012 R2 (Server Core installation)Windows 11 version 21H2Windows Server 2022Windows Server 2019Windows 10 Version 21H2
CWE ID-CWE-416
Use After Free
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2018-18559
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-2.61% / 83.43%
||
7 Day CHG~0.00%
Published-22 Oct, 2018 | 16:00
Updated-05 Aug, 2024 | 11:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanout_add from setsockopt and bind on an AF_PACKET socket. This issue exists because of the 15fe076edea787807a7cdc168df832544b58eba6 incomplete fix for a race condition. The code mishandles a certain multithreaded case involving a packet_do_bind unregister action followed by a packet_notifier register action. Later, packet_release operates on only one of the two applicable linked lists. The attacker can achieve Program Counter control.

Action-Not Available
Vendor-n/aLinux Kernel Organization, IncRed Hat, Inc.
Product-enterprise_linux_serverlinux_kernelenterprise_linux_server_eusopenshift_container_platformenterprise_linux_server_ausenterprise_linux_workstationvirtualization_hostenterprise_linux_server_tusenterprise_linux_desktopn/a
CWE ID-CWE-416
Use After Free
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2018-1311
Matching Score-4
Assigner-Apache Software Foundation
ShareView Details
Matching Score-4
Assigner-Apache Software Foundation
CVSS Score-8.1||HIGH
EPSS-9.50% / 94.81%
||
7 Day CHG-0.08%
Published-18 Dec, 2019 | 00:00
Updated-04 Nov, 2025 | 19:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Apache Xerces-C 3.0.0 to 3.2.3 XML parser contains a use-after-free error triggered during the scanning of external DTDs. This flaw has not been addressed in the maintained version of the library and has no current mitigation other than to disable DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.

Action-Not Available
Vendor-Fedora ProjectThe Apache Software FoundationOracle CorporationDebian GNU/LinuxRed Hat, Inc.
Product-enterprise_linux_serverenterprise_linux_eusenterprise_linux_server_ausdebian_linuxxerces-c\+\+enterprise_linux_server_tusfedoraenterprise_linux_desktopenterprise_linux_workstationgoldengateApache Xerces-C
CWE ID-CWE-416
Use After Free
CVE-2011-0346
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-31.02% / 98.03%
||
7 Day CHG~0.00%
Published-07 Jan, 2011 | 22:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use-after-free vulnerability in the ReleaseInterface function in MSHTML.DLL in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to the DOM implementation and the BreakAASpecial and BreakCircularMemoryReferences functions, as demonstrated by cross_fuzz, aka "MSHTML Memory Corruption Vulnerability."

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-internet_explorerwindows_7windows_server_2008windows_vistawindows_xpwindows_2003_serverwindows_server_2003n/ainternet_explorer
CWE ID-CWE-416
Use After Free
CVE-2025-33071
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-8.1||HIGH
EPSS-13.55% / 95.97%
||
7 Day CHG~0.00%
Published-10 Jun, 2025 | 17:02
Updated-26 Feb, 2026 | 17:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability

Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2012windows_server_2022windows_server_2019windows_server_2025windows_server_2016windows_server_2022_23h2Windows Server 2019 (Server Core installation)Windows Server 2012Windows Server 2019Windows Server 2022Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2025Windows Server 2012 (Server Core installation)Windows Server 2016 (Server Core installation)Windows Server 2012 R2Windows Server 2025 (Server Core installation)Windows Server 2016Windows Server 2012 R2 (Server Core installation)
CWE ID-CWE-416
Use After Free
CVE-2023-41767
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-8.1||HIGH
EPSS-1.26% / 65.72%
||
7 Day CHG~0.00%
Published-10 Oct, 2023 | 17:07
Updated-14 Apr, 2025 | 22:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability

Layer 2 Tunneling Protocol Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_10_1809windows_server_2016windows_server_2012windows_server_2008windows_10_1507windows_11_21h2windows_10_22h2windows_server_2022windows_11_22h2windows_server_2019windows_10_1607Windows 10 Version 1607Windows Server 2008 Service Pack 2Windows Server 2012 (Server Core installation)Windows Server 2016 (Server Core installation)Windows 11 version 22H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows 10 Version 1809Windows 10 Version 22H2Windows Server 2016Windows Server 2012 R2Windows 10 Version 1507Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2008 R2 Service Pack 1Windows Server 2019 (Server Core installation)Windows Server 2008 Service Pack 2Windows Server 2012Windows Server 2012 R2 (Server Core installation)Windows 11 version 21H2Windows Server 2022Windows Server 2019Windows 10 Version 21H2
CWE ID-CWE-416
Use After Free
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2010-3962
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-8.1||HIGH
EPSS-96.89% / 99.88%
||
7 Day CHG~0.00%
Published-05 Nov, 2010 | 16:28
Updated-22 Apr, 2026 | 10:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2025-10-27||Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an "invalid flag reference" issue or "Uninitialized Memory Corruption Vulnerability," as exploited in the wild in November 2010.

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-internet_explorerwindows_7windows_server_2008windows_vistawindows_xpwindows_server_2003n/aInternet Explorer
CWE ID-CWE-416
Use After Free
CVE-2023-41771
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-8.1||HIGH
EPSS-1.26% / 65.72%
||
7 Day CHG~0.00%
Published-10 Oct, 2023 | 17:07
Updated-14 Apr, 2025 | 22:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability

Layer 2 Tunneling Protocol Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_10_1809windows_server_2016windows_server_2012windows_server_2008windows_10_1507windows_11_21h2windows_10_22h2windows_server_2022windows_11_22h2windows_server_2019windows_10_1607Windows 10 Version 1607Windows Server 2008 Service Pack 2Windows Server 2012 (Server Core installation)Windows Server 2016 (Server Core installation)Windows 11 version 22H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows 10 Version 1809Windows 10 Version 22H2Windows Server 2016Windows Server 2012 R2Windows 10 Version 1507Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2008 R2 Service Pack 1Windows Server 2019 (Server Core installation)Windows Server 2008 Service Pack 2Windows Server 2012Windows Server 2012 R2 (Server Core installation)Windows 11 version 21H2Windows Server 2022Windows Server 2019Windows 10 Version 21H2
CWE ID-CWE-416
Use After Free
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2018-1000807
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-4.08% / 89.39%
||
7 Day CHG~0.00%
Published-08 Oct, 2018 | 00:00
Updated-05 Aug, 2024 | 12:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contains a CWE-416: Use After Free vulnerability in X509 object handling that can result in Use after free can lead to possible denial of service or remote code execution.. This attack appear to be exploitable via Depends on the calling application and if it retains a reference to the memory.. This vulnerability appears to have been fixed in 17.5.0.

Action-Not Available
Vendor-pyopenssln/aCanonical Ltd.Red Hat, Inc.
Product-enterprise_linux_serverubuntu_linuxpyopensslenterprise_linux_workstationopenstackenterprise_linux_desktopn/a
CWE ID-CWE-416
Use After Free
CVE-2019-20568
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-0.31% / 22.42%
||
7 Day CHG~0.00%
Published-24 Mar, 2020 | 18:35
Updated-05 Aug, 2024 | 02:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered on Samsung mobile devices with O(8.x) and P(9.0) devices (Exynos and Qualcomm chipsets) software. A race condition causes a Use-After-Free. The Samsung ID is SVE-2019-15067 (September 2019).

Action-Not Available
Vendor-n/aGoogle LLC
Product-androidn/a
CWE ID-CWE-416
Use After Free
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-34774
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8.1||HIGH
EPSS-0.34% / 25.86%
||
7 Day CHG~0.00%
Published-03 Apr, 2026 | 23:52
Updated-22 Apr, 2026 | 17:53
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Electron: Use-after-free in offscreen child window paint callback

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 39.8.1, 40.7.0, and 41.0.0, apps that use offscreen rendering and allow child windows via window.open() may be vulnerable to a use-after-free. If the parent offscreen WebContents is destroyed while a child window remains open, subsequent paint frames on the child dereference freed memory, which may lead to a crash or memory corruption. Apps are only affected if they use offscreen rendering (webPreferences.offscreen: true) and their setWindowOpenHandler permits child windows. Apps that do not use offscreen rendering, or that deny child windows, are not affected. This issue has been patched in versions 39.8.1, 40.7.0, and 41.0.0.

Action-Not Available
Vendor-Electron UserlandElectron (OpenJS Foundation)
Product-electronelectron
CWE ID-CWE-416
Use After Free
CVE-2024-23807
Matching Score-4
Assigner-Apache Software Foundation
ShareView Details
Matching Score-4
Assigner-Apache Software Foundation
CVSS Score-8.1||HIGH
EPSS-1.48% / 70.64%
||
7 Day CHG-0.01%
Published-28 Feb, 2024 | 13:50
Updated-22 Jan, 2026 | 04:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Xerces C++: Use-after-free on external DTD scan

The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs. Users are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable. This issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.

Action-Not Available
Vendor-The Apache Software Foundation
Product-xerces-c\+\+Apache Xerces C++xerces-c
CWE ID-CWE-416
Use After Free
CVE-2017-15126
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-8.1||HIGH
EPSS-4.10% / 89.45%
||
7 Day CHG~0.00%
Published-14 Jan, 2018 | 06:00
Updated-05 Aug, 2024 | 19:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put().

Action-Not Available
Vendor-n/aLinux Kernel Organization, Inc
Product-linux_kernelLinux Kernel before 4.13.6
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-416
Use After Free
CVE-2023-35628
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-8.1||HIGH
EPSS-92.82% / 99.81%
||
7 Day CHG~0.00%
Published-12 Dec, 2023 | 18:10
Updated-01 Jan, 2025 | 02:18
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows MSHTML Platform Remote Code Execution Vulnerability

Windows MSHTML Platform Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_10_1809windows_server_2016windows_server_2022_23h2windows_server_2012windows_server_2008windows_10_1507windows_11_21h2windows_10_22h2windows_server_2022windows_11_22h2windows_server_2019windows_10_1607windows_11_23h2Windows Server 2022Windows 10 Version 1607Windows 11 version 22H3Windows 11 version 22H2Windows Server 2019 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows 10 Version 1809Windows Server 2016 (Server Core installation)Windows 11 version 21H2Windows Server 2012 (Server Core installation)Windows Server 2016Windows 10 Version 1507Windows 10 Version 21H2Windows Server 2008 R2 Service Pack 1Windows 11 Version 23H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2012 R2Windows Server 2012Windows Server 2019Windows Server 2012 R2 (Server Core installation)Windows 10 Version 22H2
CWE ID-CWE-416
Use After Free
CVE-2023-30576
Matching Score-4
Assigner-Apache Software Foundation
ShareView Details
Matching Score-4
Assigner-Apache Software Foundation
CVSS Score-6.8||MEDIUM
EPSS-1.11% / 61.76%
||
7 Day CHG~0.00%
Published-07 Jun, 2023 | 08:06
Updated-10 Oct, 2024 | 14:43
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Guacamole: Use-after-free in handling of RDP audio input buffer

Apache Guacamole 0.9.10 through 1.5.1 may continue to reference a freed RDP audio input buffer. Depending on timing, this may allow an attacker to execute arbitrary code with the privileges of the guacd process.

Action-Not Available
Vendor-The Apache Software Foundation
Product-guacamoleApache Guacamoleguacamole
CWE ID-CWE-416
Use After Free
CVE-2026-32942
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8||HIGH
EPSS-0.32% / 23.56%
||
7 Day CHG~0.00%
Published-20 Mar, 2026 | 03:43
Updated-23 Mar, 2026 | 20:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
PJSIP has ICE session use-after-free race conditions

PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below contain a heap use-after-free vulnerability in the ICE session that occurs when there are race conditions between session destruction and the callbacks. This issue has been fixed in version 2.17.

Action-Not Available
Vendor-pjsippjsip
Product-pjsippjproject
CWE ID-CWE-416
Use After Free
CVE-2023-20938
Matching Score-4
Assigner-Android (associated with Google Inc. or Open Handset Alliance)
ShareView Details
Matching Score-4
Assigner-Android (associated with Google Inc. or Open Handset Alliance)
CVSS Score-8.1||HIGH
EPSS-0.33% / 24.81%
||
7 Day CHG~0.00%
Published-28 Feb, 2023 | 00:00
Updated-02 Aug, 2024 | 09:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In binder_transaction_buffer_release of binder.c, there is a possible use after free due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-257685302References: Upstream kernel

Action-Not Available
Vendor-n/aGoogle LLC
Product-androidAndroidandroid
CWE ID-CWE-416
Use After Free
CVE-2022-48434
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-1.51% / 71.20%
||
7 Day CHG~0.00%
Published-29 Mar, 2023 | 00:00
Updated-21 Oct, 2024 | 16:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances (e.g., hardware re-initialization upon a mid-video SPS change when Direct3D11 is used).

Action-Not Available
Vendor-n/aFFmpeg
Product-ffmpegn/a
CWE ID-CWE-416
Use After Free
CVE-2010-2547
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-8.1||HIGH
EPSS-5.34% / 91.58%
||
7 Day CHG~0.00%
Published-05 Aug, 2010 | 18:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use-after-free vulnerability in kbx/keybox-blob.c in GPGSM in GnuPG 2.x through 2.0.16 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a certificate with a large number of Subject Alternate Names, which is not properly handled in a realloc operation when importing the certificate or verifying its signature.

Action-Not Available
Vendor-gnupgn/aDebian GNU/LinuxFedora Project
Product-debian_linuxgnupgfedoran/a
CWE ID-CWE-416
Use After Free
CVE-2022-40674
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-1.63% / 73.10%
||
7 Day CHG-0.01%
Published-14 Sep, 2022 | 00:00
Updated-30 May, 2025 | 20:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

Action-Not Available
Vendor-libexpat_projectn/aDebian GNU/LinuxFedora Project
Product-fedoralibexpatdebian_linuxn/a
CWE ID-CWE-416
Use After Free
CVE-2026-22856
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-6.8||MEDIUM
EPSS-0.29% / 20.18%
||
7 Day CHG~0.00%
Published-14 Jan, 2026 | 17:53
Updated-26 Feb, 2026 | 15:04
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
FreeRDP has a heap-use-after-free in create_irp_thread

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.

Action-Not Available
Vendor-FreeRDP
Product-freerdpFreeRDP
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE ID-CWE-416
Use After Free
CVE-2024-24794
Matching Score-4
Assigner-Talos
ShareView Details
Matching Score-4
Assigner-Talos
CVSS Score-8.1||HIGH
EPSS-1.05% / 60.00%
||
7 Day CHG~0.00%
Published-20 Feb, 2024 | 10:37
Updated-04 Nov, 2025 | 19:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A use-after-free vulnerability exists in the DICOM Element Parsing as implemented in Imaging Data Commons libdicom 1.0.5. A specially crafted DICOM file can cause premature freeing of memory that is used later. To trigger this vulnerability, an attacker would need to induce the vulnerable application to process a malicious DICOM image.The Use-After-Free happens in the `parse_meta_sequence_end()` parsing the Sequence Value Represenations.

Action-Not Available
Vendor-nihImaging Data Commonsimaging_data_commons
Product-libdicomlibdicomlibdicom
CWE ID-CWE-416
Use After Free
CVE-2022-32293
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-1.51% / 71.21%
||
7 Day CHG~0.00%
Published-03 Aug, 2022 | 00:00
Updated-03 Aug, 2024 | 07:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In ConnMan through 1.41, a man-in-the-middle attack against a WISPR HTTP query could be used to trigger a use-after-free in WISPR handling, leading to crashes or code execution.

Action-Not Available
Vendor-n/aIntel CorporationDebian GNU/Linux
Product-connmandebian_linuxn/a
CWE ID-CWE-416
Use After Free
CVE-2024-23839
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.1||HIGH
EPSS-0.78% / 51.30%
||
7 Day CHG~0.00%
Published-26 Feb, 2024 | 15:48
Updated-13 Feb, 2025 | 17:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Suricata http: heap use after free with http.request_header and http.response_header keywords

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.

Action-Not Available
Vendor-oisfOISFoisfFedora Project
Product-fedorasuricatasuricatasuricata
CWE ID-CWE-416
Use After Free
CVE-2026-12012
Matching Score-4
Assigner-Chrome
ShareView Details
Matching Score-4
Assigner-Chrome
CVSS Score-8.1||HIGH
EPSS-0.22% / 12.90%
||
7 Day CHG+0.03%
Published-11 Jun, 2026 | 20:48
Updated-23 Jun, 2026 | 20:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use after free in Network in Google Chrome prior to 149.0.7827.115 allowed an attacker in a privileged network position to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: High)

Action-Not Available
Vendor-Google LLCLinux Kernel Organization, IncMicrosoft CorporationApple Inc.
Product-macoslinux_kernelchromewindowsChrome
CWE ID-CWE-416
Use After Free
CVE-2026-11643
Matching Score-4
Assigner-Chrome
ShareView Details
Matching Score-4
Assigner-Chrome
CVSS Score-8.1||HIGH
EPSS-0.27% / 18.72%
||
7 Day CHG+0.01%
Published-08 Jun, 2026 | 23:27
Updated-09 Jun, 2026 | 14:57
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use after free in Proxy in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)

Action-Not Available
Vendor-Microsoft CorporationLinux Kernel Organization, IncApple Inc.Google LLC
Product-linux_kernelwindowsmacoschromeChrome
CWE ID-CWE-416
Use After Free
CVE-2026-11224
Matching Score-4
Assigner-Android (associated with Google Inc. or Open Handset Alliance)
ShareView Details
Matching Score-4
Assigner-Android (associated with Google Inc. or Open Handset Alliance)
CVSS Score-8.1||HIGH
EPSS-0.24% / 15.32%
||
7 Day CHG~0.00%
Published-04 Jun, 2026 | 23:05
Updated-06 Jun, 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

Use after free in Chromoting in Google Chrome on Linux prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Low)

Action-Not Available
Vendor-Google LLC
Product-Chrome
CWE ID-CWE-416
Use After Free
CVE-2026-10887
Matching Score-4
Assigner-Chrome
ShareView Details
Matching Score-4
Assigner-Chrome
CVSS Score-8.1||HIGH
EPSS-0.40% / 32.11%
||
7 Day CHG-0.02%
Published-04 Jun, 2026 | 23:03
Updated-05 Jun, 2026 | 20:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use after free in Chromoting in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)

Action-Not Available
Vendor-Google LLCApple Inc.
Product-chromemacosChrome
CWE ID-CWE-416
Use After Free
CVE-2025-21297
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-8.1||HIGH
EPSS-1.38% / 68.67%
||
7 Day CHG~0.00%
Published-14 Jan, 2025 | 18:03
Updated-09 Jun, 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
Windows Remote Desktop Services Remote Code Execution Vulnerability

Windows Remote Desktop Services Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2012windows_server_2008windows_server_2016windows_server_2022_23h2windows_server_2022windows_server_2019windows_server_2025Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2016 (Server Core installation)Windows Server 2016Windows Server 2022Windows Server 2025 (Server Core installation)Windows Server 2012 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2019Windows Server 2012 R2 (Server Core installation)Windows Server 2019 (Server Core installation)Windows Server 2025Windows Server 2008 R2 Service Pack 1Windows Server 2012Windows Server 2012 R2
CWE ID-CWE-416
Use After Free
CVE-2025-21224
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-8.1||HIGH
EPSS-1.84% / 76.21%
||
7 Day CHG~0.00%
Published-14 Jan, 2025 | 18:04
Updated-09 Jun, 2026 | 18:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Line Printer Daemon (LPD) Service Remote Code Execution Vulnerability

Windows Line Printer Daemon (LPD) Service Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_24h2windows_server_2022windows_11_22h2windows_10_21h2windows_10_22h2windows_11_23h2windows_server_2022_23h2windows_server_2025Windows 11 Version 23H2Windows 11 version 22H3Windows 11 Version 24H2Windows Server 2025 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows 11 version 22H2Windows Server 2025Windows Server 2022Windows 10 Version 22H2Windows 10 Version 21H2
CWE ID-CWE-416
Use After Free
CWE ID-CWE-591
Sensitive Data Storage in Improperly Locked Memory
CVE-2025-21295
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-8.1||HIGH
EPSS-1.55% / 71.91%
||
7 Day CHG~0.00%
Published-14 Jan, 2025 | 18:03
Updated-09 Jun, 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
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability

SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1607windows_10_1809windows_server_2008windows_11_24h2windows_11_22h2windows_server_2012windows_server_2016windows_server_2022windows_server_2022_23h2windows_10_21h2windows_10_1507windows_server_2019windows_10_22h2windows_server_2025windows_11_23h2Windows 11 Version 23H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2016Windows 10 Version 1607Windows Server 2019 (Server Core installation)Windows Server 2019Windows Server 2012 R2 (Server Core installation)Windows Server 2008 R2 Service Pack 1Windows 10 Version 21H2Windows 10 Version 1507Windows 11 Version 24H2Windows 11 version 22H3Windows Server 2016 (Server Core installation)Windows Server 2025 (Server Core installation)Windows 10 Version 1809Windows Server 2012 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows 11 version 22H2Windows Server 2025Windows Server 2022Windows Server 2012Windows 10 Version 22H2Windows Server 2012 R2
CWE ID-CWE-416
Use After Free
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