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.
6557 vulnerabilities reference this CWE, most recent first.
CVE-2026-1584 (GCVE-0-2026-1584)
Vulnerability from cvelistv5 – Published: 2026-04-09 18:00 – Updated: 2026-09-01 12:04
VLAI
EPSS
VEX
Title
Gnutls: gnutls: remote denial of service via crafted clienthello with invalid psk binder
Summary
A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key (PSK) binder value during the TLS handshake. This can lead to a NULL pointer dereference, causing the server to crash and resulting in a remote Denial of Service (DoS) condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-10 14:09 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:7477 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-1584 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2435258 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0
|
|||
| Red Hat | Red Hat Hardened Images |
Unaffected:
3.8.12-1.1.hum1 , < *
(rpm)
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
Date Public
2026-02-09 00:00
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CVE-2026-1417 (GCVE-0-2026-1417)
Vulnerability from cvelistv5 – Published: 2026-01-26 03:32 – Updated: 2026-02-23 08:56 X_Open Source
VLAI
EPSS
VEX
Title
GPAC filedump.c dump_isom_rtp null pointer dereference
Summary
A weakness has been identified in GPAC up to 2.4.0. Affected by this issue is the function dump_isom_rtp of the file applications/mp4box/filedump.c. This manipulation causes null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. Patch name: f96bd57c3ccdcde4335a0be28cd3e8fe296993de. Applying a patch is the recommended action to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-26 15:21 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.342806 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.342806 | signaturepermissions-required |
| https://vuldb.com/?submit.736543 | third-party-advisory |
| https://github.com/gpac/gpac/issues/3426 | issue-tracking |
| https://github.com/gpac/gpac/issues/3426#issue-38… | exploitissue-tracking |
| https://github.com/enocknt/gpac/commit/f96bd57c3c… | patch |
| https://github.com/gpac/gpac/ | product |
Impacted products
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CVE-2026-1416 (GCVE-0-2026-1416)
Vulnerability from cvelistv5 – Published: 2026-01-26 03:02 – Updated: 2026-02-23 08:55 X_Open Source
VLAI
EPSS
VEX
Title
GPAC filedump.c DumpMovieInfo null pointer dereference
Summary
A security flaw has been discovered in GPAC up to 2.4.0. Affected by this vulnerability is the function DumpMovieInfo of the file applications/mp4box/filedump.c. 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. The patch is identified as d45c264c20addf0c1cc05124ede33f8ffa800e68. 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 2026-01-26 15:26 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.342805 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.342805 | signaturepermissions-required |
| https://vuldb.com/?submit.736542 | third-party-advisory |
| https://github.com/gpac/gpac/issues/3427 | issue-tracking |
| https://github.com/gpac/gpac/issues/3427#issue-38… | exploitissue-tracking |
| https://github.com/enocknt/gpac/commit/d45c264c20… | patch |
| https://github.com/gpac/gpac/ | product |
Impacted products
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CVE-2026-1415 (GCVE-0-2026-1415)
Vulnerability from cvelistv5 – Published: 2026-01-26 02:32 – Updated: 2026-02-23 08:55 X_Open Source
VLAI
EPSS
VEX
Title
GPAC media_export.c gf_media_export_webvtt_metadata null pointer dereference
Summary
A vulnerability was identified in GPAC up to 2.4.0. Affected is the function gf_media_export_webvtt_metadata of the file src/media_tools/media_export.c. The manipulation of the argument Name leads to null pointer dereference. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is af951b892dfbaaa38336ba2eba6d6a42c25810fd. To fix this issue, it is recommended to deploy a patch.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-26 15:27 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.342804 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.342804 | signaturepermissions-required |
| https://vuldb.com/?submit.736541 | third-party-advisory |
| https://github.com/gpac/gpac/issues/3428 | issue-tracking |
| https://github.com/gpac/gpac/issues/3428#issue-38… | exploitissue-tracking |
| https://github.com/enocknt/gpac/commit/af951b892d… | patch |
| https://github.com/gpac/gpac/ | product |
Impacted products
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CVE-2026-1288 (GCVE-0-2026-1288)
Vulnerability from cvelistv5 – Published: 2026-06-17 15:27 – Updated: 2026-06-17 17:30
VLAI
EPSS
VEX
Title
RFA File Parsing Vulnerability in Autodesk Revit
Summary
A maliciously crafted RFA file, when converted to FormIt via “Convert RFA to FormIt” in Autodesk Revit, can force a NULL Pointer Dereference vulnerability. Successful exploitation may cause the application to crash, leading to a denial-of-service condition.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-17 17:30 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.autodesk.com/trust/security-advisorie… | vendor-advisory |
| https://www.autodesk.com/products/autodesk-access… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Autodesk | Revit |
Affected:
2027.0.0 , < 2027.1.0
(semver)
Affected: 2026.0.0 , < 2026.4.1 (semver) Affected: 2025.0.0 , < 2025.4.5 (semver) Affected: 2024.0.0 , < 2024.3.5 (semver) cpe:2.3:a:autodesk:revit:2027.1:*:*:*:*:*:*:* cpe:2.3:a:autodesk:revit:2026.4.1:*:*:*:*:*:*:* cpe:2.3:a:autodesk:revit:2025.4.5:*:*:*:*:*:*:* cpe:2.3:a:autodesk:revit:2024.3.5:*:*:*:*:*:*:* |
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CVE-2026-0968 (GCVE-0-2026-0968)
Vulnerability from cvelistv5 – Published: 2026-03-26 20:06 – Updated: 2026-09-01 12:10
VLAI
EPSS
VEX
Title
Libssh: libssh: denial of service due to malformed sftp message
Summary
A flaw was found in libssh in which a malicious SFTP (SSH File Transfer Protocol) server can exploit this by sending a malformed 'longname' field within an `SSH_FXP_NAME` message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can cause unexpected behavior or lead to a denial of service (DoS) due to application crashes.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-27 20:21 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:18160 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:18683 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-0968 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2436982 | issue-trackingx_refsource_REDHAT |
| https://www.libssh.org/2026/02/10/libssh-0-12-0-a… |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:0.12.0-2.el10 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:0.10.4-18.el9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
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cpe:/a:redhat:hummingbird:1
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cpe:/a:redhat:openshift:4
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Date Public
2026-02-10 18:46
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CVE-2026-0918 (GCVE-0-2026-0918)
Vulnerability from cvelistv5 – Published: 2026-01-27 17:52 – Updated: 2026-04-29 00:05
VLAI
EPSS
VEX
Title
Null Pointer Dereference in Tapo SmartCam HTTP Service on TP-Link Tapo C220 & C520WS
Summary
The Tapo C100 v5, C220 v1 and C520WS v2 cameras’ HTTP service does not safely handle POST requests containing an excessively large Content-Length header. The resulting failed memory allocation triggers a NULL pointer dereference, causing the main service process to crash. An unauthenticated attacker can repeatedly crash the service, causing temporary denial of service. The device restarts automatically, and repeated requests can keep it unavailable.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-27 18:07 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
7 references
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Tapo C220 v1 |
Affected:
0 , < 1.4.2 Build 251112
(custom)
|
|
| TP-Link Systems Inc. | Tapo C520WS v2 |
Affected:
0 , < 1.2.3 Build 251114
(custom)
|
|
| TP-Link Systems Inc. | Tapo C100 v5 |
Affected:
0 , < 1.4.3 Build 251128
(custom)
|
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CVE-2026-0731 (GCVE-0-2026-0731)
Vulnerability from cvelistv5 – Published: 2026-01-08 23:02 – Updated: 2026-02-23 08:24
VLAI
EPSS
VEX
Title
TOTOLINK WA1200 HTTP Request cstecgi.cgi null pointer dereference
Summary
A vulnerability has been found in TOTOLINK WA1200 5.9c.2914. The impacted element is an unknown function of the file cstecgi.cgi of the component HTTP Request Handler. The manipulation leads to null pointer dereference. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-09 16:23 UTC
Assigner
References
6 references
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| 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
VLAI
EPSS
VEX
Title
Sipp/sipp: sipp: denial of service and potential arbitrary code execution vulnerability
Summary
A flaw was found in SIPp. A remote attacker could exploit this by sending specially crafted Session Initiation Protocol (SIP) messages during an active call. This vulnerability, a NULL pointer dereference, can cause the application to crash, leading to a denial of service. Under specific conditions, it may also allow an attacker to execute unauthorized code, compromising the system's integrity and availability.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 19:03 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| 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 |
Date Public
2026-01-08 00:00
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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
VLAI
EPSS
VEX
Summary
A post-authentication NULL Pointer Dereference vulnerability in SonicOS allows a remote attacker to crash a firewall.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-24 15:34 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.global.sonicwall.com/vuln-detail/SN… | vendor-advisory |
Impacted products
Date Public
2026-02-24 13:46
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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.