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-2025-15468 (GCVE-0-2025-15468)
Vulnerability from cvelistv5 – Published: 2026-01-27 16:01 – Updated: 2026-01-29 14:53
VLAI
EPSS
VEX
Title
NULL dereference in SSL_CIPHER_find() function on unknown cipher ID
Summary
Issue summary: If an application using the SSL_CIPHER_find() function in
a QUIC protocol client or server receives an unknown cipher suite from
the peer, a NULL dereference occurs.
Impact summary: A NULL pointer dereference leads to abnormal termination of
the running process causing Denial of Service.
Some applications call SSL_CIPHER_find() from the client_hello_cb callback
on the cipher ID received from the peer. If this is done with an SSL object
implementing the QUIC protocol, NULL pointer dereference will happen if
the examined cipher ID is unknown or unsupported.
As it is not very common to call this function in applications using the QUIC
protocol and the worst outcome is Denial of Service, the issue was assessed
as Low severity.
The vulnerable code was introduced in the 3.2 version with the addition
of the QUIC protocol support.
The FIPS modules in 3.6, 3.5, 3.4 and 3.3 are not affected by this issue,
as the QUIC implementation is outside the OpenSSL FIPS module boundary.
OpenSSL 3.6, 3.5, 3.4 and 3.3 are vulnerable to this issue.
OpenSSL 3.0, 1.1.1 and 1.0.2 are not affected by this issue.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-29 14:52 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
5 references
Impacted products
Date Public
2026-01-27 14:00
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CVE-2025-15156 (GCVE-0-2025-15156)
Vulnerability from cvelistv5 – Published: 2025-12-28 22:02 – Updated: 2025-12-29 16:08
VLAI
EPSS
VEX
Title
omec-project UPF PFCP Session Establishment Request messages_session.go handleSessionEstablishmentRequest null pointer dereference
Summary
A flaw has been found in omec-project UPF up to 2.1.3-dev. This affects the function handleSessionEstablishmentRequest of the file /pfcpiface/pfcpiface/messages_session.go of the component PFCP Session Establishment Request Handler. This manipulation causes null pointer dereference. The attack may be initiated remotely. The exploit has been published 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: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-29 16:07 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.338534 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.338534 | signaturepermissions-required |
| https://vuldb.com/?submit.719824 | third-party-advisory |
| https://github.com/omec-project/upf/issues/979 | exploitissue-tracking |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| omec-project | UPF |
Affected:
2.1.3-dev
|
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CVE-2025-14957 (GCVE-0-2025-14957)
Vulnerability from cvelistv5 – Published: 2025-12-19 17:02 – Updated: 2026-02-24 05:57 X_Open Source
VLAI
EPSS
VEX
Title
WebAssembly Binaryen IRBuilder wasm-ir-builder.cpp makeLocalTee null pointer dereference
Summary
A vulnerability was identified in WebAssembly Binaryen up to 125. This affects the function IRBuilder::makeLocalGet/IRBuilder::makeLocalSet/IRBuilder::makeLocalTee of the file src/wasm/wasm-ir-builder.cpp of the component IRBuilder. Such manipulation of the argument Index leads to null pointer dereference. Local access is required to approach this attack. The exploit is publicly available and might be used. The name of the patch is 6fb2b917a79578ab44cf3b900a6da4c27251e0d4. Applying a patch is advised to resolve this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-19 17:23 UTC
Assigner
References
9 references
| URL | Tags |
|---|---|
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| https://vuldb.com/?ctiid.337593 | signaturepermissions-required |
| https://vuldb.com/?submit.717317 | third-party-advisory |
| https://vuldb.com/?submit.717319 | third-party-advisory |
| https://github.com/WebAssembly/binaryen/issues/8090 | issue-tracking |
| https://github.com/WebAssembly/binaryen/pull/8099 | issue-tracking |
| https://github.com/oneafter/1204/blob/main/af1 | exploit |
| https://github.com/WebAssembly/binaryen/commit/6f… | patch |
| https://github.com/WebAssembly/binaryen/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WebAssembly | Binaryen |
Affected:
125
cpe:2.3:a:webassembly:binaryen:*:*:*:*:*:*:*:* |
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CVE-2025-14953 (GCVE-0-2025-14953)
Vulnerability from cvelistv5 – Published: 2025-12-19 16:02 – Updated: 2026-02-24 05:56 X_Open Source
VLAI
EPSS
VEX
Title
Open5GS FAR-ID handler.c ogs_pfcp_handle_create_pdr null pointer dereference
Summary
A flaw has been found in Open5GS up to 2.7.5. This impacts the function ogs_pfcp_handle_create_pdr in the library lib/pfcp/handler.c of the component FAR-ID Handler. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The attack requires a high level of complexity. The exploitability is said to be difficult. The exploit has been published and may be used. This patch is called 93a9fd98a8baa94289be3b982028201de4534e32. It is advisable to implement a patch to correct this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-19 16:32 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.337589 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.337589 | signaturepermissions-required |
| https://vuldb.com/?submit.716799 | third-party-advisory |
| https://github.com/open5gs/open5gs/issues/4179 | issue-tracking |
| https://github.com/open5gs/open5gs/issues/4179#is… | issue-tracking |
| https://github.com/open5gs/open5gs/issues/4179#is… | exploitissue-tracking |
| https://github.com/open5gs/open5gs/commit/93a9fd9… | patch |
| https://github.com/open5gs/open5gs/ | product |
Impacted products
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CVE-2025-14841 (GCVE-0-2025-14841)
Vulnerability from cvelistv5 – Published: 2025-12-18 00:02 – Updated: 2026-02-24 05:53 X_Open Source
VLAI
EPSS
VEX
Title
OFFIS DCMTK dcmqrscp dcmqrdbi.cc startMoveRequest null pointer dereference
Summary
A flaw has been found in OFFIS DCMTK up to 3.6.9. The impacted element is the function DcmQueryRetrieveIndexDatabaseHandle::startFindRequest/DcmQueryRetrieveIndexDatabaseHandle::startMoveRequest in the library dcmqrdb/libsrc/dcmqrdbi.cc of the component dcmqrscp. This manipulation causes null pointer dereference. The attack requires local access. Upgrading to version 3.7.0 is sufficient to resolve this issue. Patch name: ffb1a4a37d2c876e3feeb31df4930f2aed7fa030. You should upgrade the affected component.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-18 14:47 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.337004 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.337004 | signaturepermissions-required |
| https://vuldb.com/?submit.714605 | third-party-advisory |
| https://vuldb.com/?submit.714634 | third-party-advisory |
| https://support.dcmtk.org/redmine/issues/1183 | issue-tracking |
| https://github.com/DCMTK/dcmtk/commit/ffb1a4a37d2… | patch |
| https://github.com/DCMTK/dcmtk/releases/tag/DCMTK-3.7.0 | patch |
Impacted products
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CVE-2025-14769 (GCVE-0-2025-14769)
Vulnerability from cvelistv5 – Published: 2026-03-09 11:34 – Updated: 2026-03-09 13:30
VLAI
EPSS
VEX
Title
ipfw denial of service
Summary
In some cases, the `tcp-setmss` handler may free the packet data and throw an error without halting the rule processing engine. A subsequent rule can then allow the traffic after the packet data is gone, resulting in a NULL pointer dereference.
Maliciously crafted packets sent from a remote host may result in a Denial of Service (DoS) if the `tcp-setmss` directive is used and a subsequent rule would allow the traffic to pass.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-09 13:29 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.freebsd.org/advisories/FreeBSD-S… | vendor-advisory |
Impacted products
Date Public
2025-12-17 02:00
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CVE-2025-14631 (GCVE-0-2025-14631)
Vulnerability from cvelistv5 – Published: 2026-01-07 01:04 – Updated: 2026-01-07 13:46
VLAI
EPSS
VEX
Title
Null Pointer Dereference Vulnerability in Malformed 802.11 Frame of TP-Link Archer BE400
Summary
A NULL Pointer Dereference vulnerability in TP-Link Archer BE400 V1(802.11 modules) allows
an adjacent attacker to cause a denial-of-service (DoS) by triggering a device reboot.
This issue affects Archer BE400: xi 1.1.0 Build 20250710 rel.14914.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-07 13:46 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/en/support/download/arche… | patch |
| https://www.tp-link.com/us/support/download/arche… | patch |
| https://www.tp-link.com/us/support/faq/4871/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer BE400 |
Affected:
0 , ≤ 1.1.0 Build 20250710 rel.14914
(custom)
|
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CVE-2025-14501 (GCVE-0-2025-14501)
Vulnerability from cvelistv5 – Published: 2025-12-23 21:18 – Updated: 2025-12-29 18:04
VLAI
EPSS
VEX
Title
Sante PACS Server HTTP Content-Length Header Handling NULL Pointer Dereference Denial-of-Service Vulnerability
Summary
Sante PACS Server HTTP Content-Length Header Handling NULL Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Sante PACS Server. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of HTTP Content-Length header. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-26770.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-29 18:04 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Sante | PACS Server |
Affected:
4.2.2
|
Date Public
2025-12-17 16:13
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CVE-2025-14309 (GCVE-0-2025-14309)
Vulnerability from cvelistv5 – Published: 2025-12-09 07:49 – Updated: 2025-12-09 14:38
VLAI
EPSS
VEX
Summary
NULL Pointer Dereference vulnerability in ravynsoft ravynos.This issue affects ravynos: through 0.5.2.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-09 14:38 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/ravynsoft/ravynos/pull/502 | patch |
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CVE-2025-14180 (GCVE-0-2025-14180)
Vulnerability from cvelistv5 – Published: 2025-12-27 19:21 – Updated: 2025-12-29 16:00
VLAI
EPSS
VEX
Title
NULL Pointer Dereference in PDO quoting
Summary
In PHP versions 8.1.* before 8.1.34, 8.2.* before 8.2.30, 8.3.* before 8.3.29, 8.4.* before 8.4.16, 8.5.* before 8.5.1 when using the PDO PostgreSQL driver with PDO::ATTR_EMULATE_PREPARES enabled, an invalid character sequence (such as \x99) in a prepared statement parameter may cause the quoting function PQescapeStringConn to return NULL, leading to a null pointer dereference in pdo_parse_params() function. This may lead to crashes (segmentation fault) and affect the availability of the target server.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-29 15:59 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
Date Public
2025-12-18 00:00
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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.