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.
1661 vulnerabilities reference this CWE, most recent first.
CVE-2026-1990 (GCVE-0-2026-1990)
Vulnerability from cvelistv5 – Published: 2026-02-06 05:02 – Updated: 2026-02-23 09:21
VLAI
EPSS
VEX
Title
oatpp Type.hpp ObjectWrapper null pointer dereference
Summary
A security vulnerability has been detected in oatpp up to 1.3.1. This impacts the function oatpp::data::type::ObjectWrapper::ObjectWrapper of the file src/oatpp/data/type/Type.hpp. The manipulation leads to null pointer dereference. Local access is required to approach this attack. 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 2026-02-06 20:25 UTC
Assigner
VulDB
CNA
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.344508 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.344508 | signaturepermissions-required |
| https://vuldb.com/?submit.743387 | third-party-advisory |
| https://github.com/oatpp/oatpp/issues/1080 | issue-tracking |
| https://github.com/oatpp/oatpp/issues/1080#issue-… | exploitissue-tracking |
| https://github.com/oatpp/oatpp/ | product |
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CVE-2026-1976 (GCVE-0-2026-1976)
Vulnerability from cvelistv5 – Published: 2026-02-06 03:02 – Updated: 2026-02-23 09:20
VLAI
EPSS
VEX
Title
Free5GC SMF SessionDeletionResponse null pointer dereference
Summary
A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. It is suggested to install a patch to address this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 19:33 UTC
Assigner
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.344498 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.344498 | signaturepermissions-required |
| https://vuldb.com/?submit.743239 | third-party-advisory |
| https://github.com/free5gc/free5gc/issues/817 | issue-tracking |
| https://github.com/free5gc/free5gc/issues/817#iss… | exploitissue-tracking |
| https://github.com/free5gc/smf/pull/189 | issue-trackingpatch |
| https://github.com/free5gc/free5gc/ | product |
Impacted products
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CVE-2026-1975 (GCVE-0-2026-1975)
Vulnerability from cvelistv5 – Published: 2026-02-06 02:32 – Updated: 2026-02-23 09:20
VLAI
EPSS
VEX
Title
Free5GC pfcp_reports.go identityTriggerType null pointer dereference
Summary
A security flaw has been discovered in Free5GC up to 4.1.0. This impacts the function identityTriggerType of the file pfcp_reports.go. The manipulation results in null pointer dereference. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. Applying a patch is advised to resolve this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 19:33 UTC
Assigner
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.344497 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.344497 | signaturepermissions-required |
| https://vuldb.com/?submit.743238 | third-party-advisory |
| https://github.com/free5gc/free5gc/issues/814 | issue-tracking |
| https://github.com/free5gc/free5gc/issues/814#iss… | exploitissue-tracking |
| https://github.com/free5gc/smf/pull/189 | issue-trackingpatch |
| https://github.com/free5gc/free5gc/ | product |
Impacted products
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CVE-2026-1973 (GCVE-0-2026-1973)
Vulnerability from cvelistv5 – Published: 2026-02-06 01:32 – Updated: 2026-02-23 09:19
VLAI
EPSS
VEX
Title
Free5GC SMF establishPfcpSession null pointer dereference
Summary
A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. It is best practice to apply a patch to resolve this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 19:31 UTC
Assigner
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.344495 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.344495 | signaturepermissions-required |
| https://vuldb.com/?submit.743236 | third-party-advisory |
| https://github.com/free5gc/free5gc/issues/815 | issue-tracking |
| https://github.com/free5gc/free5gc/issues/815#iss… | exploitissue-tracking |
| https://github.com/free5gc/smf/pull/189 | issue-trackingpatch |
| https://github.com/free5gc/free5gc/ | product |
Impacted products
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CVE-2026-1739 (GCVE-0-2026-1739)
Vulnerability from cvelistv5 – Published: 2026-02-02 02:02 – Updated: 2026-02-23 09:12 X_Open Source
VLAI
EPSS
VEX
Title
Free5GC pcf smpolicy.go HandleCreateSmPolicyRequest null pointer dereference
Summary
A vulnerability has been found in Free5GC pcf up to 1.4.1. This affects the function HandleCreateSmPolicyRequest of the file internal/sbi/processor/smpolicy.go. 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. The identifier of the patch is df535f5524314620715e842baf9723efbeb481a7. Applying a patch is the recommended action to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-02 14:18 UTC
Assigner
VulDB
CNA
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.343638 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.343638 | signaturepermissions-required |
| https://vuldb.com/?submit.741194 | third-party-advisory |
| https://github.com/free5gc/free5gc/issues/803 | issue-tracking |
| https://github.com/free5gc/pcf/pull/62 | issue-tracking |
| https://github.com/free5gc/free5gc/issues/803#iss… | exploitissue-tracking |
| https://github.com/free5gc/pcf/commit/df535f55243… | patch |
| https://github.com/free5gc/pcf/ | product |
Impacted products
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CVE-2026-1682 (GCVE-0-2026-1682)
Vulnerability from cvelistv5 – Published: 2026-01-30 14:02 – Updated: 2026-02-23 09:08
VLAI
EPSS
VEX
Title
Free5GC SMF PFCP UDP Endpoint handler.go HandlePfcpAssociationReleaseRequest null pointer dereference
Summary
A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been published and may be used. A patch should be applied to remediate this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-30 14:50 UTC
Assigner
VulDB
CNA
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.343475 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.343475 | signaturepermissions-required |
| https://vuldb.com/?submit.739508 | third-party-advisory |
| https://github.com/free5gc/free5gc/issues/794 | issue-tracking |
| https://github.com/free5gc/free5gc/issues/794#iss… | issue-tracking |
| https://github.com/free5gc/free5gc/issues/794#iss… | exploitissue-tracking |
| https://github.com/free5gc/smf/pull/188 | issue-trackingpatch |
| https://github.com/free5gc/smf/ | product |
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CVE-2026-1584 (GCVE-0-2026-1584)
Vulnerability from cvelistv5 – Published: 2026-04-09 18:00 – Updated: 2026-11-04 21:59
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
redhat
CNA
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
13 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:/a:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:rhel_els:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:rhel_els:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/a:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/a:redhat:enterprise_linux:9
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
|
| 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
|
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
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.342806 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.342806 | signaturepermissions-required |
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| 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 |
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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
VulDB
CNA
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 |
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"url": "https://github.com/gpac/gpac/issues/3427"
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"url": "https://github.com/gpac/gpac/issues/3427#issue-3802197432"
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"cveId": "CVE-2026-1416",
"datePublished": "2026-01-26T03:02:07.336Z",
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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
VulDB
CNA
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
{
"containers": {
"adp": [
{
"metrics": [
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"other": {
"content": {
"id": "CVE-2026-1415",
"options": [
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{
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{
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"timestamp": "2026-01-26T15:27:37.356585Z",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*"
],
"product": "GPAC",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "2.0"
},
{
"status": "affected",
"version": "2.1"
},
{
"status": "affected",
"version": "2.2"
},
{
"status": "affected",
"version": "2.3"
},
{
"status": "affected",
"version": "2.4.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Kery Qi (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
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},
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},
{
"cvssV2_0": {
"baseScore": 1.7,
"vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
"version": "2.0"
}
}
],
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{
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"name": "VDB-342804 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
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"url": "https://vuldb.com/?ctiid.342804"
},
{
"name": "Submit #736541 | gpac v2.4.0 NULL Pointer Dereference",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.736541"
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{
"tags": [
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"url": "https://github.com/gpac/gpac/issues/3428"
},
{
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"url": "https://github.com/gpac/gpac/issues/3428#issue-3802223345"
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"url": "https://github.com/enocknt/gpac/commit/af951b892dfbaaa38336ba2eba6d6a42c25810fd"
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"datePublished": "2026-01-26T02:32:08.374Z",
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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.