CWE-476
AllowedNULL Pointer Dereference
Abstraction: Base · Status: Stable
The product dereferences a pointer that it expects to be valid but is NULL.
6731 vulnerabilities reference this CWE, most recent first.
CVE-2026-55209 (GCVE-0-2026-55209)
Vulnerability from cvelistv5 – Published: 2026-09-14 19:52 – Updated: 2026-09-14 20:11| URL | Tags |
|---|---|
| https://github.com/equinor/resdata/security/advis… | x_refsource_CONFIRM |
| https://github.com/equinor/resdata/pull/1166 | x_refsource_MISC |
| https://github.com/equinor/resdata/commit/9f8fd6d… | x_refsource_MISC |
| https://github.com/equinor/resdata/commit/d3f4582… | x_refsource_MISC |
| https://github.com/equinor/resdata/commit/ee8cc12… | x_refsource_MISC |
| https://github.com/equinor/resdata/releases/tag/6.2.9 | x_refsource_MISC |
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CVE-2026-55204 (GCVE-0-2026-55204)
Vulnerability from cvelistv5 – Published: 2026-06-18 16:05 – Updated: 2026-07-14 21:33 X_Open Source- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://github.com/haproxy/haproxy/commit/9a6d1fe… | patch |
| https://www.vulncheck.com/advisories/haproxy-null… | third-party-advisory |
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CVE-2026-54084 (GCVE-0-2026-54084)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:12 – Updated: 2026-08-28 15:27- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
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| https://github.com/wazuh/wazuh/commit/7dfbb4a292b… | x_refsource_MISC |
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CVE-2026-53719 (GCVE-0-2026-53719)
Vulnerability from cvelistv5 – Published: 2026-09-14 20:13 – Updated: 2026-09-16 18:10- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://github.com/envoyproxy/gateway/security/ad… | x_refsource_CONFIRM |
| https://github.com/envoyproxy/gateway/pull/9171 | x_refsource_MISC |
| https://github.com/envoyproxy/gateway/pull/9172 | x_refsource_MISC |
| https://github.com/envoyproxy/gateway/pull/9173 | x_refsource_MISC |
| https://github.com/envoyproxy/gateway/commit/5a78… | x_refsource_MISC |
| https://github.com/envoyproxy/gateway/commit/96e2… | x_refsource_MISC |
| https://github.com/envoyproxy/gateway/commit/b473… | x_refsource_MISC |
| https://github.com/envoyproxy/gateway/releases/ta… | x_refsource_MISC |
| https://github.com/envoyproxy/gateway/releases/ta… | x_refsource_MISC |
| Vendor | Product | Version | |
|---|---|---|---|
| envoyproxy | gateway |
Affected:
< 1.7.4
Affected: >= 1.8.0-rc.0, < 1.8.1 |
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CVE-2026-53463 (GCVE-0-2026-53463)
Vulnerability from cvelistv5 – Published: 2026-06-10 22:05 – Updated: 2026-06-11 12:56- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
< 6.9.13-50
Affected: < 7.1.2-25 |
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CVE-2026-52878 (GCVE-0-2026-52878)
Vulnerability from cvelistv5 – Published: 2026-08-07 22:32 – Updated: 2026-08-10 14:16- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
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| https://github.com/klever-io/klever-go/releases/t… | x_refsource_MISC |
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CVE-2026-52865 (GCVE-0-2026-52865)
Vulnerability from cvelistv5 – Published: 2026-07-15 14:33 – Updated: 2026-07-15 15:36- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000161834 | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| F5 | NGINX Ingress Controller |
Affected:
5.0.0 , < 5.5.2
(custom)
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CVE-2026-50673 (GCVE-0-2026-50673)
Vulnerability from cvelistv5 – Published: 2026-07-14 17:08 – Updated: 2026-09-25 18:23| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.9339
(custom)
|
|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.9020
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19044.0 , < 10.0.19044.7548
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.7548
(custom)
|
|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.8875
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.8875
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.2525
(custom)
|
|
| Microsoft | Windows Server 2012 |
Affected:
6.2.9200.0 , < 6.2.9200.26226
(custom)
|
|
| Microsoft | Windows Server 2012 (Server Core installation) |
Affected:
6.2.9200.0 , < 6.2.9200.26226
(custom)
|
|
| Microsoft | Windows Server 2012 R2 |
Affected:
6.3.9600.0 , < 6.3.9600.23291
(custom)
|
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) |
Affected:
6.3.9600.0 , < 6.3.9600.23291
(custom)
|
|
| Microsoft | Windows Server 2016 |
Affected:
10.0.14393.0 , < 10.0.14393.9339
(custom)
|
|
| Microsoft | Windows Server 2016 (Server Core installation) |
Affected:
10.0.14393.0 , < 10.0.14393.9339
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.9020
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.9020
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5386
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.33158
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.33158
(custom)
|
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CVE-2026-50366 (GCVE-0-2026-50366)
Vulnerability from cvelistv5 – Published: 2026-07-14 17:06 – Updated: 2026-09-25 18:22- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.9339
(custom)
|
|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.9020
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19044.0 , < 10.0.19044.7548
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.7548
(custom)
|
|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.8875
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.8875
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.2525
(custom)
|
|
| Microsoft | Windows Server 2012 |
Affected:
6.2.9200.0 , < 6.2.9200.26226
(custom)
|
|
| Microsoft | Windows Server 2012 (Server Core installation) |
Affected:
6.2.9200.0 , < 6.2.9200.26226
(custom)
|
|
| Microsoft | Windows Server 2012 R2 |
Affected:
6.3.9600.0 , < 6.3.9600.23291
(custom)
|
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) |
Affected:
6.3.9600.0 , < 6.3.9600.23291
(custom)
|
|
| Microsoft | Windows Server 2016 |
Affected:
10.0.14393.0 , < 10.0.14393.9339
(custom)
|
|
| Microsoft | Windows Server 2016 (Server Core installation) |
Affected:
10.0.14393.0 , < 10.0.14393.9339
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.9020
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.9020
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5386
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.33158
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.33158
(custom)
|
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CVE-2026-50315 (GCVE-0-2026-50315)
Vulnerability from cvelistv5 – Published: 2026-07-14 17:06 – Updated: 2026-09-25 18:21- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.8875
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.8875
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.2525
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.33158
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.33158
(custom)
|
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Mitigation MIT-56
For any pointers that could have been modified or provided from a function that can return NULL, check the pointer for NULL before use. When working with a multithreaded or otherwise asynchronous environment, ensure that proper locking APIs are used to lock before the check, and unlock when it has finished [REF-1484].
Mitigation
Select a programming language that is not susceptible to these issues.
Mitigation
Check the results of all functions that return a value and verify that the value is non-null before acting upon it.
Mitigation
Identify all variables and data stores that receive information from external sources, and apply input validation to make sure that they are only initialized to expected values.
Mitigation
Explicitly initialize all variables and other data stores, either during declaration or just before the first usage.
No CAPEC attack patterns related to this CWE.