CWE-476
AllowedNULL Pointer Dereference
Abstraction: Base · Status: Stable
The product dereferences a pointer that it expects to be valid but is NULL.
6678 vulnerabilities reference this CWE, most recent first.
CVE-2026-0731 (GCVE-0-2026-0731)
Vulnerability from cvelistv5 – Published: 2026-01-08 23:02 – Updated: 2026-02-23 08:24| URL | Tags |
|---|---|
| https://vuldb.com/?id.340128 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.340128 | signaturepermissions-required |
| https://vuldb.com/?submit.733249 | third-party-advisory |
| https://github.com/JackWesleyy/CVE/blob/main/WA12… | related |
| https://github.com/JackWesleyy/CVE/blob/main/WA12… | exploit |
| https://www.totolink.net/ | product |
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CVE-2026-0710 (GCVE-0-2026-0710)
Vulnerability from cvelistv5 – Published: 2026-01-23 03:47 – Updated: 2026-01-23 19:04- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-0710 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2427788 | issue-trackingx_refsource_REDHAT |
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CVE-2026-0401 (GCVE-0-2026-0401)
Vulnerability from cvelistv5 – Published: 2026-02-24 14:55 – Updated: 2026-02-24 15:34- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://psirt.global.sonicwall.com/vuln-detail/SN… | vendor-advisory |
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GCVE-1988-2026-0234
Vulnerability from gna-1988 – Published: 2026-09-08 08:13 – Updated: 2026-09-09 10:12| Vendor | Product | Version | |
|---|---|---|---|
| Cve | CVE-2026-33150 CVE-2026-33179 libfuse |
Affected:
unknown
|
- related CVE-2026-33150
- related CVE-2026-33179
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CVE-2025-69421 (GCVE-0-2025-69421)
Vulnerability from cvelistv5 – Published: 2026-01-27 16:01 – Updated: 2026-05-12 12:08- CWE-476 - NULL Pointer Dereference
| Vendor | Product | Version | |
|---|---|---|---|
| OpenSSL | OpenSSL |
Affected:
3.6.0 , < 3.6.1
(semver)
Affected: 3.5.0 , < 3.5.5 (semver) Affected: 3.4.0 , < 3.4.4 (semver) Affected: 3.3.0 , < 3.3.6 (semver) Affected: 3.0.0 , < 3.0.19 (semver) Affected: 1.1.1 , < 1.1.1ze (custom) Affected: 1.0.2 , < 1.0.2zn (custom) |
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
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CVE-2025-69252 (GCVE-0-2025-69252)
Vulnerability from cvelistv5 – Published: 2026-02-23 23:56 – Updated: 2026-02-25 16:21- CWE-476 - NULL Pointer Dereference
| URL | Tags |
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CVE-2025-68699 (GCVE-0-2025-68699)
Vulnerability from cvelistv5 – Published: 2026-02-04 19:25 – Updated: 2026-02-04 19:51- CWE-476 - NULL Pointer Dereference
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CVE-2025-68274 (GCVE-0-2025-68274)
Vulnerability from cvelistv5 – Published: 2025-12-16 22:02 – Updated: 2025-12-17 21:15| URL | Tags |
|---|---|
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CVE-2025-68141 (GCVE-0-2025-68141)
Vulnerability from cvelistv5 – Published: 2026-01-21 19:56 – Updated: 2026-01-22 16:50- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://github.com/EVerest/everest-core/security/… | x_refsource_CONFIRM |
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| EVerest | everest-core |
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CVE-2025-66646 (GCVE-0-2025-66646)
Vulnerability from cvelistv5 – Published: 2025-12-17 19:18 – Updated: 2025-12-17 20:30- CWE-476 - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://github.com/RIOT-OS/RIOT/security/advisori… | x_refsource_CONFIRM |
| https://github.com/RIOT-OS/RIOT/blob/eb65305cf9f1… | x_refsource_MISC |
| https://github.com/RIOT-OS/RIOT/blob/eb65305cf9f1… | x_refsource_MISC |
| https://github.com/RIOT-OS/RIOT/blob/eb65305cf9f1… | x_refsource_MISC |
| https://github.com/RIOT-OS/RIOT/blob/eb65305cf9f1… | x_refsource_MISC |
| https://github.com/RIOT-OS/RIOT/blob/eb65305cf9f1… | x_refsource_MISC |
| https://github.com/RIOT-OS/RIOT/blob/eb65305cf9f1… | x_refsource_MISC |
| https://github.com/RIOT-OS/RIOT/blob/eb65305cf9f1… | x_refsource_MISC |
| https://github.com/RIOT-OS/RIOT/releases/tag/2025.10 | x_refsource_MISC |
| https://github.com/user-attachments/files/2390399… | x_refsource_MISC |
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"x_refsource_MISC"
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"discovery": "UNKNOWN"
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"title": "RIOT-OS has NULL pointer dereference in gnrc_ipv6_ext_frag_reass"
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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.