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Vulnerability Details :

CVE-2026-23948

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-09 Feb, 2026 | 18:12
Updated At-10 Feb, 2026 | 16:02
Rejected At-
Credits

FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdp_write_logon_info_v2() allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability is fixed in 3.22.0.

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:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:09 Feb, 2026 | 18:12
Updated At:10 Feb, 2026 | 16:02
Rejected At:
▼CVE Numbering Authority (CNA)
FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdp_write_logon_info_v2() allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability is fixed in 3.22.0.

Affected Products
Vendor
FreeRDPFreeRDP
Product
FreeRDP
Versions
Affected
  • < 3.22.0
Problem Types
TypeCWE IDDescription
CWECWE-476CWE-476: NULL Pointer Dereference
Type: CWE
CWE ID: CWE-476
Description: CWE-476: NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5
x_refsource_CONFIRM
https://github.com/FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860
x_refsource_MISC
Hyperlink: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860
Resource:
x_refsource_MISC
▼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:security-advisories@github.com
Published At:09 Feb, 2026 | 19:15
Updated At:10 Feb, 2026 | 15:09

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdp_write_logon_info_v2() allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability is fixed in 3.22.0.

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
Secondary4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches

FreeRDP
freerdp
>>freerdp>>Versions before 3.22.0(exclusive)
cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-476Primarysecurity-advisories@github.com
CWE ID: CWE-476
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860security-advisories@github.com
Patch
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5security-advisories@github.com
Patch
Vendor Advisory
Hyperlink: https://github.com/FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5
Source: security-advisories@github.com
Resource:
Patch
Vendor Advisory

Change History

0
Information is not available yet

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Product-leaptarn/a
CWE ID-CWE-476
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CVE-2019-16161
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.26% / 48.90%
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Product-onigmon/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-12249
Matching Score-4
Assigner-MITRE Corporation
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Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.66% / 70.59%
||
7 Day CHG~0.00%
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Updated-05 Aug, 2024 | 08:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
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Action-Not Available
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Product-debian_linuxmrubyn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-9772
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-2.23% / 84.21%
||
7 Day CHG-0.16%
Published-14 Mar, 2019 | 07:00
Updated-04 Aug, 2024 | 22:01
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-8936
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-24.49% / 95.98%
||
7 Day CHG~0.00%
Published-15 May, 2019 | 15:37
Updated-04 Aug, 2024 | 21:31
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-ntpn/aopenSUSENetApp, Inc.Fedora ProjectHewlett Packard Enterprise (HPE)
Product-clustered_data_ontapntpdata_ontapfedorahpux-ntpleapn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2023-37187
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.19% / 41.11%
||
7 Day CHG~0.00%
Published-25 Dec, 2023 | 00:00
Updated-25 Apr, 2025 | 16:52
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-bloscn/a
Product-c-blosc2n/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-9771
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-2.31% / 84.44%
||
7 Day CHG-0.17%
Published-14 Mar, 2019 | 07:00
Updated-04 Aug, 2024 | 22:01
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Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function bit_convert_TU at bits.c.

Action-Not Available
Vendor-n/aGNUopenSUSE
Product-libredwgbackports_sleleapn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2023-38313
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.26% / 49.03%
||
7 Day CHG~0.00%
Published-17 Nov, 2023 | 00:00
Updated-02 Aug, 2024 | 17:39
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 in OpenNDS Captive Portal before 10.1.2. it has a do_binauth NULL pointer dereference that can be triggered with a crafted GET HTTP request with a missing client redirect query string parameter. Triggering this issue results in crashing openNDS (a Denial-of-Service condition). The issue occurs when the client is about to be authenticated, and can be triggered only when the BinAuth option is set. Affected OpenNDS Captive Portal before version 10.1.2 fixed infixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on28. August 2023 by updating OpenNDS to version 10.1.3.

Action-Not Available
Vendor-openndsn/a
Product-captive_portaln/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-9430
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-7.5||HIGH
EPSS-0.50% / 65.42%
||
7 Day CHG~0.00%
Published-27 Sep, 2019 | 18:05
Updated-04 Aug, 2024 | 21:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Bluetooth, there is a possible null pointer dereference due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-109838296

Action-Not Available
Vendor-n/aGoogle LLC
Product-androidAndroid
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-9779
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-2.23% / 84.21%
||
7 Day CHG-0.16%
Published-14 Mar, 2019 | 07:00
Updated-04 Aug, 2024 | 22:01
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 in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function dwg_dxf_LTYPE at dwg.spec (earlier than CVE-2019-9776).

Action-Not Available
Vendor-n/aGNUopenSUSE
Product-libredwgbackports_sleleapn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-38233
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.5||HIGH
EPSS-13.61% / 94.08%
||
7 Day CHG~0.00%
Published-10 Sep, 2024 | 16:54
Updated-31 Dec, 2024 | 23:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Networking Denial of Service Vulnerability

Windows Networking Denial of Service Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_10_1607Windows 10 Version 1607Windows Server 2016 (Server Core installation)Windows Server 2016
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-3858
Matching Score-4
Assigner-Mozilla Corporation
ShareView Details
Matching Score-4
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.30% / 53.19%
||
7 Day CHG~0.00%
Published-16 Apr, 2024 | 15:14
Updated-31 Mar, 2025 | 16:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

It was possible to mutate a JavaScript object so that the JIT could crash while tracing it. This vulnerability affects Firefox < 125.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefoxfirefox
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-38536
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.59% / 68.71%
||
7 Day CHG~0.00%
Published-11 Jul, 2024 | 14:54
Updated-02 Aug, 2024 | 04:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Suricata http/range: NULL-ptr deref when http.memcap is reached

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A memory allocation failure due to `http.memcap` being reached leads to a NULL-ptr reference leading to a crash. Upgrade to 7.0.6.

Action-Not Available
Vendor-oisfOISFoisf
Product-suricatasuricatasuricata
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-9279
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-7.5||HIGH
EPSS-0.50% / 65.42%
||
7 Day CHG~0.00%
Published-27 Sep, 2019 | 18:05
Updated-04 Aug, 2024 | 21:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In the wifi hotspot service, there is a possible denial of service due to a null pointer dereference. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-110476382

Action-Not Available
Vendor-n/aGoogle LLC
Product-androidAndroid
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-38145
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.5||HIGH
EPSS-17.32% / 94.87%
||
7 Day CHG~0.00%
Published-13 Aug, 2024 | 17:30
Updated-10 Jul, 2025 | 16:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Layer-2 Bridge Network Driver Denial of Service Vulnerability

Windows Layer-2 Bridge Network Driver Denial of Service Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_10_1809windows_server_2016windows_server_2022_23h2windows_server_2012windows_10_1507windows_11_21h2windows_11_24h2windows_10_22h2windows_server_2022windows_11_22h2windows_server_2019windows_10_1607windows_11_23h2Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2022Windows Server 2012 R2 (Server Core installation)Windows Server 2016 (Server Core installation)Windows Server 2012 R2Windows 11 Version 24H2Windows 11 Version 23H2Windows 10 Version 1809Windows Server 2019Windows 11 version 22H3Windows Server 2016Windows Server 2012 (Server Core installation)Windows 11 version 22H2Windows Server 2019 (Server Core installation)Windows 11 version 21H2Windows 10 Version 22H2Windows 10 Version 1507Windows Server 2012Windows 10 Version 1607Windows 10 Version 21H2
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-9400
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-7.5||HIGH
EPSS-0.50% / 65.42%
||
7 Day CHG~0.00%
Published-27 Sep, 2019 | 18:05
Updated-04 Aug, 2024 | 21:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Bluetooth, there is a possible null pointer dereference due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-115509589

Action-Not Available
Vendor-n/aGoogle LLC
Product-androidAndroid
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-37890
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.54% / 67.10%
||
7 Day CHG~0.00%
Published-17 Jun, 2024 | 19:09
Updated-02 Aug, 2024 | 03:57
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Denial of service when handling a request with many HTTP headers in ws

ws is an open source WebSocket client and server for Node.js. A request with a number of headers exceeding theserver.maxHeadersCount threshold could be used to crash a ws server. The vulnerability was fixed in ws@8.17.1 (e55e510) and backported to ws@7.5.10 (22c2876), ws@6.2.3 (eeb76d3), and ws@5.2.4 (4abd8f6). In vulnerable versions of ws, the issue can be mitigated in the following ways: 1. Reduce the maximum allowed length of the request headers using the --max-http-header-size=size and/or the maxHeaderSize options so that no more headers than the server.maxHeadersCount limit can be sent. 2. Set server.maxHeadersCount to 0 so that no limit is applied.

Action-Not Available
Vendor-websocketswebsockets
Product-wsws
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-38573
Matching Score-4
Assigner-kernel.org
ShareView Details
Matching Score-4
Assigner-kernel.org
CVSS Score-7.5||HIGH
EPSS-0.07% / 21.29%
||
7 Day CHG~0.00%
Published-19 Jun, 2024 | 13:35
Updated-04 May, 2025 | 09:14
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
cppc_cpufreq: Fix possible null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: cppc_cpufreq: Fix possible null pointer dereference cppc_cpufreq_get_rate() and hisi_cppc_cpufreq_get_rate() can be called from different places with various parameters. So cpufreq_cpu_get() can return null as 'policy' in some circumstances. Fix this bug by adding null return check. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Action-Not Available
Vendor-Linux Kernel Organization, Inc
Product-linux_kernelLinuxacrnlinux_kernel
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-9776
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-2.23% / 84.21%
||
7 Day CHG-0.16%
Published-14 Mar, 2019 | 07:00
Updated-04 Aug, 2024 | 22:01
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 in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function dwg_dxf_LTYPE at dwg.spec (later than CVE-2019-9779).

Action-Not Available
Vendor-n/aGNUopenSUSE
Product-libredwgbackports_sleleapn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-38126
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.5||HIGH
EPSS-12.28% / 93.68%
||
7 Day CHG~0.00%
Published-13 Aug, 2024 | 17:30
Updated-10 Jul, 2025 | 16:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Network Address Translation (NAT) Denial of Service Vulnerability

Windows Network Address Translation (NAT) Denial of Service Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_10_1809windows_server_2016windows_server_2022_23h2windows_server_2012windows_10_1507windows_11_21h2windows_11_24h2windows_10_22h2windows_server_2022windows_11_22h2windows_server_2019windows_10_1607windows_11_23h2Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2022Windows Server 2012 R2 (Server Core installation)Windows Server 2016 (Server Core installation)Windows Server 2012 R2Windows 11 Version 24H2Windows 11 Version 23H2Windows 10 Version 1809Windows Server 2019Windows 11 version 22H3Windows Server 2016Windows 11 version 22H2Windows Server 2019 (Server Core installation)Windows 11 version 21H2Windows 10 Version 22H2Windows 10 Version 1507Windows 10 Version 1607Windows 10 Version 21H2
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-38477
Matching Score-4
Assigner-Apache Software Foundation
ShareView Details
Matching Score-4
Assigner-Apache Software Foundation
CVSS Score-7.5||HIGH
EPSS-1.35% / 79.76%
||
7 Day CHG~0.00%
Published-01 Jul, 2024 | 18:16
Updated-03 Nov, 2025 | 22:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache HTTP Server: Crash resulting in Denial of Service in mod_proxy via a malicious request

null pointer dereference in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows an attacker to crash the server via a malicious request. Users are recommended to upgrade to version 2.4.60, which fixes this issue.

Action-Not Available
Vendor-NetApp, Inc.The Apache Software Foundation
Product-http_serverclustered_data_ontapApache HTTP Server
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-38146
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.5||HIGH
EPSS-17.32% / 94.87%
||
7 Day CHG~0.00%
Published-13 Aug, 2024 | 17:30
Updated-10 Jul, 2025 | 16:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Layer-2 Bridge Network Driver Denial of Service Vulnerability

Windows Layer-2 Bridge Network Driver Denial of Service Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_10_1809windows_server_2016windows_server_2022_23h2windows_server_2012windows_10_1507windows_11_21h2windows_11_24h2windows_10_22h2windows_server_2022windows_11_22h2windows_server_2019windows_10_1607windows_11_23h2Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2022Windows Server 2012 R2 (Server Core installation)Windows Server 2016 (Server Core installation)Windows Server 2012 R2Windows 11 Version 24H2Windows 11 Version 23H2Windows 10 Version 1809Windows Server 2019Windows 11 version 22H3Windows Server 2016Windows Server 2012 (Server Core installation)Windows 11 version 22H2Windows Server 2019 (Server Core installation)Windows 11 version 21H2Windows 10 Version 22H2Windows 10 Version 1507Windows Server 2012Windows 10 Version 1607Windows 10 Version 21H2
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2020-6095
Matching Score-4
Assigner-Talos
ShareView Details
Matching Score-4
Assigner-Talos
CVSS Score-7.5||HIGH
EPSS-0.53% / 66.68%
||
7 Day CHG~0.00%
Published-27 Mar, 2020 | 19:20
Updated-04 Aug, 2024 | 08:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An exploitable denial of service vulnerability exists in the GstRTSPAuth functionality of GStreamer/gst-rtsp-server 1.14.5. A specially crafted RTSP setup request can cause a null pointer deference resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.

Action-Not Available
Vendor-gstreamer_projectn/aopenSUSE
Product-gst-rtsp-serverbackports_sleleapGStreamer
CWE ID-CWE-690
Unchecked Return Value to NULL Pointer Dereference
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-37826
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.24% / 46.03%
||
7 Day CHG~0.00%
Published-09 Aug, 2024 | 00:00
Updated-06 Jun, 2025 | 20:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A NULL pointer dereference in vercot Serva v4.6.0 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Action-Not Available
Vendor-vercotn/avercot
Product-servan/aserva
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-36621
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.46% / 63.36%
||
7 Day CHG~0.00%
Published-01 Sep, 2022 | 20:04
Updated-03 Aug, 2024 | 10:07
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Samsung Electronics mTower v0.3.0 and earlier was discovered to contain a NULL pointer dereference via the function TEE_AllocateTransientObject.

Action-Not Available
Vendor-n/aSamsung
Product-mtowern/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-8588
Matching Score-4
Assigner-Apple Inc.
ShareView Details
Matching Score-4
Assigner-Apple Inc.
CVSS Score-7.5||HIGH
EPSS-0.40% / 60.02%
||
7 Day CHG~0.00%
Published-27 Oct, 2020 | 19:37
Updated-04 Aug, 2024 | 21:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A null pointer dereference was addressed with improved input validation. This issue is fixed in AirPort Base Station Firmware Update 7.8.1, AirPort Base Station Firmware Update 7.9.1. A remote attacker may be able to cause a system denial of service.

Action-Not Available
Vendor-Apple Inc.
Product-airport_base_station_firmwareAirPort Base Station Firmware Update
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-38072
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.5||HIGH
EPSS-13.56% / 94.06%
||
7 Day CHG~0.00%
Published-09 Jul, 2024 | 17:02
Updated-10 Feb, 2026 | 23:34
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 Licensing Service Denial of Service Vulnerability

Windows Remote Desktop Licensing Service Denial of Service Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-Windows Server 2022Windows Server 2019 (Server Core installation)Windows Server 2016Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2016 (Server Core installation)Windows Server 2019
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2023-38315
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.23% / 45.14%
||
7 Day CHG~0.00%
Published-17 Nov, 2023 | 00:00
Updated-02 Aug, 2024 | 17:39
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 in OpenNDS Captive Portal before version 10.1.2. It has a try_to_authenticate NULL pointer dereference that can be triggered with a crafted GET HTTP with a missing client token query string parameter. Triggering this issue results in crashing OpenNDS (a Denial-of-Service condition). Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.

Action-Not Available
Vendor-openndsn/a
Product-captive_portaln/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-37399
Matching Score-4
Assigner-HackerOne
ShareView Details
Matching Score-4
Assigner-HackerOne
CVSS Score-7.5||HIGH
EPSS-44.62% / 97.48%
||
7 Day CHG~0.00%
Published-14 Aug, 2024 | 02:38
Updated-15 Aug, 2024 | 17:31
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A NULL pointer dereference in WLAvalancheService in Ivanti Avalanche 6.3.1 allows a remote unauthenticated attacker to crash the service, resulting in a DoS.

Action-Not Available
Vendor-Ivanti Software
Product-avalancheAvalancheavalanche
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2023-38320
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.59% / 68.61%
||
7 Day CHG~0.00%
Published-17 Nov, 2023 | 00:00
Updated-02 Aug, 2024 | 17:39
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 in OpenNDS Captive Portal before version 10.1.2. It has a show_preauthpage NULL pointer dereference that can be triggered with a crafted GET HTTP with a missing User-Agent header. Triggering this issue results in crashing OpenNDS (a Denial-of-Service condition). This problem was fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.

Action-Not Available
Vendor-openndsn/a
Product-captive_portaln/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2020-5762
Matching Score-4
Assigner-Tenable Network Security, Inc.
ShareView Details
Matching Score-4
Assigner-Tenable Network Security, Inc.
CVSS Score-7.5||HIGH
EPSS-1.37% / 79.91%
||
7 Day CHG~0.00%
Published-29 Jul, 2020 | 18:51
Updated-04 Aug, 2024 | 08:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to a denial of service attack against the TR-069 service. An unauthenticated remote attacker can stop the service due to a NULL pointer dereference in the TR-069 service. This condition is triggered due to mishandling of the HTTP Authentication field.

Action-Not Available
Vendor-grandstreamn/a
Product-ht812_firmwareht813ht802ht813_firmwareht802_firmwareht801ht818ht814ht818_firmwareht801_firmwareht814_firmwareht812Grandstream HT800 Series
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-5054
Matching Score-4
Assigner-Talos
ShareView Details
Matching Score-4
Assigner-Talos
CVSS Score-7.5||HIGH
EPSS-11.21% / 93.33%
||
7 Day CHG~0.00%
Published-11 Sep, 2019 | 21:09
Updated-04 Aug, 2024 | 19:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An exploitable denial-of-service vulnerability exists in the session handling functionality of the NETGEAR N300 (WNR2000v5 with Firmware Version V1.0.0.70) HTTP server. An HTTP request with an empty User-Agent string sent to a page requiring authentication can cause a null pointer dereference, resulting in the HTTP service crashing. An unauthenticated attacker can send a specially crafted HTTP request to trigger this vulnerability.

Action-Not Available
Vendor-NETGEAR, Inc.
Product-wnr2000wnr2000_firmwareN300 WNR2000v5
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2023-38321
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.04% / 12.13%
||
7 Day CHG~0.00%
Published-25 Dec, 2023 | 00:00
Updated-02 Aug, 2024 | 17:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to cause a denial of service (NULL pointer dereference, daemon crash, and Captive Portal outage) via a GET request to /opennds_auth/ that lacks a custom query string parameter and client-token.

Action-Not Available
Vendor-sierrawirelessn/a
Product-lx40aleoslx60rv55rv50xmp70n/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-36982
Matching Score-4
Assigner-Splunk Inc.
ShareView Details
Matching Score-4
Assigner-Splunk Inc.
CVSS Score-7.5||HIGH
EPSS-0.45% / 63.18%
||
7 Day CHG~0.00%
Published-01 Jul, 2024 | 16:31
Updated-28 Feb, 2025 | 11:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Denial of Service through null pointer reference in “cluster/config” REST endpoint

In Splunk Enterprise versions below 9.2.2, 9.1.5, and 9.0.10 and Splunk Cloud Platform versions below 9.1.2312.109 and 9.1.2308.207, an attacker could trigger a null pointer reference on the cluster/config REST endpoint, which could result in a crash of the Splunk daemon.

Action-Not Available
Vendor-Splunk LLC (Cisco Systems, Inc.)
Product-cloudsplunkSplunk Cloud PlatformSplunk Enterprisesplunk_enterprisesplunk_cloud_platform
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-14012
Matching Score-4
Assigner-Qualcomm, Inc.
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Matching Score-4
Assigner-Qualcomm, Inc.
CVSS Score-7.5||HIGH
EPSS-0.25% / 47.60%
||
7 Day CHG~0.00%
Published-16 Apr, 2020 | 10:46
Updated-05 Aug, 2024 | 00:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Possibility of null pointer deference as the array of video codecs from media info is referenced without null checking while processing SDP messages in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, Nicobar, QCM2150, QM215, Rennell, SC7180, SC8180X, SDA845, SDM429, SDM439, SDM450, SDM632, SDM845, SDM850, SDX24, SM6150, SM7150, SM8150

Action-Not Available
Vendor-Qualcomm Technologies, Inc.
Product-sdm850_firmwaremsm8920qcm2150_firmwaremsm8953sdm450sdm632_firmwaresdm845sdm450_firmwaresdm632qcm2150msm8920_firmwaresdm439sdx24sc8180x_firmwaresdm429msm8940_firmwaresm7150_firmwaresm6150qm215sc7180_firmwaresm7150msm8917msm8937sc8180xmsm8905sm8150_firmwaremsm8909sdx24_firmwaresdm439_firmwaresda845_firmwarerennellsc7180rennell_firmwareqm215_firmwaremsm8940msm8953_firmwaresm6150_firmwaremsm8917_firmwaremsm8937_firmwaresdm429_firmwaresm8150sdm850msm8905_firmwarenicobar_firmwaremsm8909_firmwaresda845nicobarsdm845_firmwareSnapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-5010
Matching Score-4
Assigner-Talos
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Matching Score-4
Assigner-Talos
CVSS Score-5.9||MEDIUM
EPSS-6.01% / 90.50%
||
7 Day CHG~0.00%
Published-31 Oct, 2019 | 20:05
Updated-04 Aug, 2024 | 19:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability.

Action-Not Available
Vendor-n/aDebian GNU/LinuxopenSUSERed Hat, Inc.Python Software Foundation
Product-debian_linuxenterprise_linux_server_ausenterprise_linuxenterprise_linux_eusenterprise_linux_server_tuspythonleapPython
CWE ID-CWE-476
NULL Pointer Dereference
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