CWE-476
AllowedNULL Pointer Dereference
Abstraction: Base · Status: Stable
The product dereferences a pointer that it expects to be valid but is NULL.
6310 vulnerabilities reference this CWE, most recent first.
CVE-2025-59150 (GCVE-0-2025-59150)
Vulnerability from cvelistv5 – Published: 2025-10-01 20:23 – Updated: 2025-10-23 13:12- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OISF/suricata/commit/d590fdfe4… | x_refsource_MISC |
| https://forum.suricata.io/t/suricata-8-0-1-and-7-… | x_refsource_MISC |
| https://redmine.openinfosecfoundation.org/issues/7881 | x_refsource_MISC |
| https://www.vicarius.io/vsociety/posts/cve-2025-5… | |
| https://www.vicarius.io/vsociety/posts/cve-2025-5… |
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CVE-2025-59148 (GCVE-0-2025-59148)
Vulnerability from cvelistv5 – Published: 2025-10-01 19:51 – Updated: 2025-10-01 19:58- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OISF/suricata/commit/9f32550e1… | x_refsource_MISC |
| https://forum.suricata.io/t/suricata-8-0-1-and-7-… | x_refsource_MISC |
| https://redmine.openinfosecfoundation.org/issues/7838 | x_refsource_MISC |
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CVE-2025-58472 (GCVE-0-2025-58472)
Vulnerability from cvelistv5 – Published: 2026-02-11 12:16 – Updated: 2026-02-11 15:48| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | Qsync Central |
Affected:
5.0.x.x , < 5.0.0.4 ( 2026/01/20 )
(custom)
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CVE-2025-58364 (GCVE-0-2025-58364)
Vulnerability from cvelistv5 – Published: 2025-09-11 17:26 – Updated: 2025-11-04 21:13| Vendor | Product | Version | |
|---|---|---|---|
| OpenPrinting | cups |
Affected:
< 2.4.13
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CVE-2025-58120 (GCVE-0-2025-58120)
Vulnerability from cvelistv5 – Published: 2025-10-15 13:55 – Updated: 2026-02-26 16:57- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000156623 | vendor-advisory |
| Vendor | Product | Version | |
|---|---|---|---|
| F5 | BIG-IP Next SPK |
Affected:
2.0.0 , < 2.0.1
(custom)
Affected: 1.9.0 , < * (custom) Affected: 1.8.0 , < * (custom) Affected: 1.7.0 , < * (custom) |
|
| F5 | BIG-IP Next CNF |
Affected:
2.0.0 , < 2.0.1
(custom)
Affected: 1.1.0 , < * (custom) |
|
| F5 | BIG-IP Next for Kubernetes |
Affected:
2.0.0 , < 2.1.0
(custom)
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CVE-2025-55698 (GCVE-0-2025-55698)
Vulnerability from cvelistv5 – Published: 2025-10-14 17:01 – Updated: 2026-02-22 17:25- 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 , < 10.0.26100.6899
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|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.6899
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|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.6899
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.6899
(custom)
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CVE-2025-54989 (GCVE-0-2025-54989)
Vulnerability from cvelistv5 – Published: 2025-08-15 15:04 – Updated: 2025-11-03 18:13- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://github.com/FirebirdSQL/firebird/security/… | x_refsource_CONFIRM |
| https://github.com/FirebirdSQL/firebird/issues/8554 | x_refsource_MISC |
| https://github.com/FirebirdSQL/firebird/commit/16… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… |
| Vendor | Product | Version | |
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| FirebirdSQL | firebird |
Affected:
< 3.0.13
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CVE-2025-54409 (GCVE-0-2025-54409)
Vulnerability from cvelistv5 – Published: 2025-08-14 15:52 – Updated: 2025-11-04 21:12- CWE-476 - NULL Pointer Dereference
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| https://lists.debian.org/debian-lts-announce/2025… | |
| http://www.openwall.com/lists/oss-security/2025/08/14/8 |
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CVE-2025-54270 (GCVE-0-2025-54270)
Vulnerability from cvelistv5 – Published: 2025-10-15 00:18 – Updated: 2025-10-15 20:09- CWE-476 - NULL Pointer Dereference (CWE-476)
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CVE-2025-54163 (GCVE-0-2025-54163)
Vulnerability from cvelistv5 – Published: 2026-02-11 12:17 – Updated: 2026-02-11 15:04| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | File Station 5 |
Affected:
5.5.x , < 5.5.6.5166
(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.