Common Weakness Enumeration
CWE-476
AllowedNULL Pointer Dereference
Abstraction: Base · Status: Stable
The product dereferences a pointer that it expects to be valid but is NULL.
6565 vulnerabilities reference this CWE, most recent first.
CVE-2025-20675 (GCVE-0-2025-20675)
Vulnerability from cvelistv5 – Published: 2025-06-02 02:29 – Updated: 2025-06-02 15:46
VLAI
EPSS
VEX
Summary
In wlan STA driver, there is a possible system crash due to an uncaught exception. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413201; Issue ID: MSV-3302.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-02 15:21 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MediaTek, Inc. | MT7902, MT7921, MT7922, MT7925, MT7927 |
Affected:
NB SDK release 3.6 and before
|
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CVE-2025-20673 (GCVE-0-2025-20673)
Vulnerability from cvelistv5 – Published: 2025-06-02 02:29 – Updated: 2025-06-02 15:46
VLAI
EPSS
VEX
Summary
In wlan STA driver, there is a possible system crash due to an uncaught exception. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413200; Issue ID: MSV-3304.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-02 15:22 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MediaTek, Inc. | MT7902, MT7921, MT7922, MT7925, MT7927 |
Affected:
NB SDK release 3.6 and before
|
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CVE-2025-20647 (GCVE-0-2025-20647)
Vulnerability from cvelistv5 – Published: 2025-03-03 02:25 – Updated: 2026-02-17 14:35
VLAI
EPSS
VEX
Summary
In Modem, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00791311 / MOLY01067019; Issue ID: MSV-2721.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-17 14:35 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
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CVE-2025-20262 (GCVE-0-2025-20262)
Vulnerability from cvelistv5 – Published: 2025-08-27 16:23 – Updated: 2025-08-27 18:19
VLAI
EPSS
VEX
Title
Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability
Summary
A vulnerability in the Protocol Independent Multicast Version 6 (PIM6) feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, low-privileged, remote attacker to trigger a crash of the PIM6 process, resulting in a denial of service (DoS) condition.
This vulnerability is due to improper processing of PIM6 ephemeral data queries. An attacker could exploit this vulnerability by sending a crafted ephemeral query to an affected device through one of the following methods: NX-API REST, NETCONF, RESTConf, gRPC, or Model Driven Telemetry. A successful exploit could allow the attacker to cause the PIM6 process to crash and restart, causing potential adjacency flaps and resulting in a DoS of the PIM6 and ephemeral query processes.
Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-27 18:19 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco NX-OS Software |
Affected:
9.2(3)
Affected: 9.2(2v) Affected: 9.2(1) Affected: 9.2(2t) Affected: 9.2(3y) Affected: 9.3(2) Affected: 9.2(4) Affected: 9.3(1) Affected: 9.3(1z) Affected: 9.2(2) Affected: 9.3(3) Affected: 9.3(4) Affected: 9.3(5) Affected: 9.3(6) Affected: 10.1(2) Affected: 10.1(1) Affected: 9.3(5w) Affected: 9.3(7) Affected: 9.3(7k) Affected: 10.2(1) Affected: 9.3(7a) Affected: 9.3(8) Affected: 10.2(1q) Affected: 10.2(2) Affected: 9.3(9) Affected: 10.1(2t) Affected: 10.2(3) Affected: 10.2(3t) Affected: 9.3(10) Affected: 10.2(2a) Affected: 10.3(1) Affected: 10.2(4) Affected: 10.3(2) Affected: 9.3(11) Affected: 10.3(3) Affected: 10.2(5) Affected: 9.3(12) Affected: 10.2(3v) Affected: 10.4(1) Affected: 10.3(99w) Affected: 10.2(6) Affected: 10.3(3w) Affected: 10.3(99x) Affected: 10.3(3o) Affected: 10.3(4) Affected: 10.3(3p) Affected: 10.3(4a) Affected: 10.4(2) Affected: 10.3(3q) Affected: 9.3(13) Affected: 10.3(5) Affected: 10.2(7) Affected: 10.4(3) Affected: 10.3(3x) Affected: 10.3(4g) Affected: 10.5(1) Affected: 10.2(8) Affected: 10.3(3r) Affected: 10.3(6) Affected: 9.3(14) Affected: 10.4(4) Affected: 10.3(4h) Affected: 10.5(2) Affected: 10.4(4g) |
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CVE-2025-20080 (GCVE-0-2025-20080)
Vulnerability from cvelistv5 – Published: 2026-02-10 16:25 – Updated: 2026-02-11 15:02
VLAI
EPSS
VEX
Summary
Null pointer dereference in the firmware for some Intel(R) AMT and Intel(R) Standard Manageability within Ring 0: Kernel may allow a denial of service. Network adversary with an unauthenticated user combined with a high complexity attack may enable denial of service. This result may potentially occur via network access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 15:01 UTC
CWE
- Denial of Service
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Intel(R) AMT and Intel(R) Standard Manageability |
Affected:
See references
|
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CVE-2025-20071 (GCVE-0-2025-20071)
Vulnerability from cvelistv5 – Published: 2025-05-13 21:02 – Updated: 2025-05-14 15:30
VLAI
EPSS
VEX
Summary
NULL pointer dereference for some Intel(R) Graphics Drivers may allow an authenticated user to potentially enable denial of service via local access.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-14 15:30 UTC
CWE
- Denial of Service
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Intel(R) Graphics Drivers |
Affected:
See references
|
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CVE-2025-20045 (GCVE-0-2025-20045)
Vulnerability from cvelistv5 – Published: 2025-02-05 17:31 – Updated: 2025-02-05 18:19
VLAI
EPSS
VEX
Title
BIG-IP SIP MRF Vulnerability
Summary
When SIP session Application Level Gateway mode (ALG) profile with Passthru Mode enabled and SIP router ALG profile are configured on a Message Routing type virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-05 18:19 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000138932 | vendor-advisory |
Impacted products
Date Public
2025-02-05 15:00
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CVE-2025-15571 (GCVE-0-2025-15571)
Vulnerability from cvelistv5 – Published: 2026-02-10 14:32 – Updated: 2026-02-23 09:56
VLAI
EPSS
VEX
Title
ckolivas lrzip stream.c ucompthread null pointer dereference
Summary
A security vulnerability has been detected in ckolivas lrzip up to 0.651. This vulnerability affects the function ucompthread of the file stream.c. Such manipulation leads to null pointer dereference. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 19:54 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.344931 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.344931 | signaturepermissions-required |
| https://vuldb.com/?submit.752603 | third-party-advisory |
| https://github.com/ckolivas/lrzip/issues/263 | issue-tracking |
| https://github.com/user-attachments/files/2172633… | exploit |
| https://github.com/ckolivas/lrzip/ | product |
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CVE-2025-15535 (GCVE-0-2025-15535)
Vulnerability from cvelistv5 – Published: 2026-01-18 07:32 – Updated: 2026-02-23 08:37
VLAI
EPSS
VEX
Title
nicbarker clay clay.h Clay__MeasureTextCached null pointer dereference
Summary
A security flaw has been discovered in nicbarker clay up to 0.14. This affects the function Clay__MeasureTextCached in the library clay.h. The manipulation results in null pointer dereference. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-21 18:46 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.341707 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.341707 | signaturepermissions-required |
| https://vuldb.com/?submit.733346 | third-party-advisory |
| https://github.com/nicbarker/clay/issues/566 | issue-tracking |
| https://github.com/oneafter/1215/blob/main/repro | exploit |
| https://github.com/nicbarker/clay/ | product |
Impacted products
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CVE-2025-15504 (GCVE-0-2025-15504)
Vulnerability from cvelistv5 – Published: 2026-01-10 11:32 – Updated: 2026-02-23 08:28 X_Open Source
VLAI
EPSS
VEX
Title
lief-project LIEF ELF Binary Parser.tcc parse_binary null pointer dereference
Summary
A security flaw has been discovered in lief-project LIEF up to 0.17.1. Affected by this issue is the function Parser::parse_binary of the file src/ELF/Parser.tcc of the component ELF Binary Parser. The manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. Upgrading to version 0.17.2 can resolve this issue. The patch is identified as 81bd5d7ea0c390563f1c4c017c9019d154802978. It is recommended to upgrade the affected component.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-12 14:45 UTC
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.340375 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.340375 | signaturepermissions-required |
| https://vuldb.com/?submit.733329 | third-party-advisory |
| https://github.com/lief-project/LIEF/issues/1277 | issue-tracking |
| https://github.com/lief-project/LIEF/issues/1277#… | issue-tracking |
| https://github.com/oneafter/1210/blob/main/segv1 | exploit |
| https://github.com/lief-project/LIEF/commit/81bd5… | patch |
| https://github.com/lief-project/LIEF/releases/tag… | patch |
| https://github.com/lief-project/LIEF/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| lief-project | LIEF |
Affected:
0.17.0
Affected: 0.17.1 Unaffected: 0.17.2 cpe:2.3:a:lief-project:lief:*:*:*:*:*:*:*:* |
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Mitigation MIT-56
Implementation
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
Requirements
Select a programming language that is not susceptible to these issues.
Mitigation
Implementation
Check the results of all functions that return a value and verify that the value is non-null before acting upon it.
Mitigation
Architecture and Design
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
Implementation
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.