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CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CVE-2025-7700 (GCVE-0-2025-7700)
Vulnerability from cvelistv5 – Published: 2025-11-07 18:59 – Updated: 2026-05-06 14:38
VLAI
Title
Ffmpeg: null pointer dereference in ffmpeg als decoder (libavcodec/alsdec.c)
Summary
A flaw was found in FFmpeg’s ALS audio decoder, where it does not properly check for memory allocation failures. This can cause the application to crash when processing certain malformed audio files. While it does not lead to data theft or system control, it can be used to disrupt services and cause a denial of service.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2025-7700 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2380420 | issue-trackingx_refsource_REDHAT |
| https://github.com/FFmpeg/FFmpeg/commit/35a6de137… |
Date Public
2025-07-15 00:00
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CVE-2025-7797 (GCVE-0-2025-7797)
Vulnerability from cvelistv5 – Published: 2025-07-18 17:44 – Updated: 2025-07-18 18:04
VLAI
Title
GPAC dash_client.c gf_dash_download_init_segment null pointer dereference
Summary
A vulnerability was found in GPAC up to 2.4. It has been rated as problematic. Affected by this issue is the function gf_dash_download_init_segment of the file src/media_tools/dash_client.c. The manipulation of the argument base_init_url leads to null pointer dereference. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 153ea314b6b053db17164f8bc3c7e1e460938eaa. It is recommended to apply a patch to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.316862 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.316862 | signaturepermissions-required |
| https://vuldb.com/?submit.616664 | third-party-advisory |
| https://drive.google.com/file/d/1Z-C6RajpZ40ujo1i… | exploit |
| https://github.com/gpac/gpac/commit/153ea314b6b05… | patch |
Impacted products
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CVE-2025-8090 (GCVE-0-2025-8090)
Vulnerability from cvelistv5 – Published: 2026-01-13 16:36 – Updated: 2026-01-13 21:41
VLAI
Title
Vulnerability in the QNX Neutrino Kernel impacts the QNX Software Development Platform and QNX OS for Safety
Summary
Null pointer dereference in the MsgRegisterEvent() system call could allow an attacker with local access and code execution abilities to crash the QNX Neutrino kernel.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.blackberry.com/pkb/s/article/141027 | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| BlackBerry Ltd | QNX Software Development Platform |
Affected:
7.1 and 7.0
(custom)
Affected: cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:* (cpe) Affected: cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:* (cpe) |
|
| BlackBerry Ltd | QNX OS for Safety |
Affected:
2.2.7 and earlier
(custom)
Affected: cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:7:*:*:*:*:*:* (cpe) Affected: 2.1.4 and earlier (custom) Affected: cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:4:*:*:*:*:*:* (cpe) Affected: 2.0.2 and earlier (custom) Affected: cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:2:*:*:*:*:*:* (cpe) |
|
| BlackBerry Ltd. | QNX OS for Medical |
Affected:
2.0.1 and earlier
(custom)
Affected: cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:1:*:*:*:*:*:* (cpe) |
Date Public
2026-01-13 16:25
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CVE-2025-8114 (GCVE-0-2025-8114)
Vulnerability from cvelistv5 – Published: 2025-07-24 14:14 – Updated: 2026-06-30 01:50
VLAI
Title
Libssh: null pointer dereference in libssh kex session id calculation
Summary
A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:18683 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2025-8114 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2383220 | issue-trackingx_refsource_REDHAT |
| https://git.libssh.org/projects/libssh.git/commit… | |
| https://git.libssh.org/projects/libssh.git/commit… | |
| https://www.libssh.org/security/advisories/CVE-20… |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0 , < 0.11.3
(semver)
|
|||
| 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 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 OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
Date Public
2025-07-24 00:00
Credits
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CVE-2025-8175 (GCVE-0-2025-8175)
Vulnerability from cvelistv5 – Published: 2025-07-26 03:02 – Updated: 2025-07-28 15:59
VLAI
Title
D-Link DI-8400 jhttpd usb_paswd.asp null pointer dereference
Summary
A vulnerability was found in D-Link DI-8400 16.07.26A1. It has been classified as problematic. This affects an unknown part of the file usb_paswd.asp of the component jhttpd. The manipulation of the argument share_enable leads to null pointer dereference. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.317589 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.317589 | signaturepermissions-required |
| https://vuldb.com/?submit.621708 | third-party-advisory |
| https://github.com/Kriswu1337/CVE/blob/main/DI_84… | exploit |
| https://www.dlink.com/ | product |
Credits
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CVE-2025-8183 (GCVE-0-2025-8183)
Vulnerability from cvelistv5 – Published: 2025-07-25 09:33 – Updated: 2025-07-25 12:41
VLAI
Title
NULL Pointer Dereference in µD3TN
Summary
NULL Pointer Dereference in µD3TN via non-singleton destination Endpoint Identifier allows remote attacker to reliably cause DoS
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://gitlab.com/d3tn/ud3tn/-/issues/255 | issue-trackingpermissions-required |
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CVE-2025-8224 (GCVE-0-2025-8224)
Vulnerability from cvelistv5 – Published: 2025-07-27 05:32 – Updated: 2026-05-12 12:02
VLAI
Title
GNU Binutils BFD Library elf.c bfd_elf_get_str_section null pointer dereference
Summary
A vulnerability has been found in GNU Binutils 2.44 and classified as problematic. This vulnerability affects the function bfd_elf_get_str_section of the file bfd/elf.c of the component BFD Library. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The name of the patch is db856d41004301b3a56438efd957ef5cabb91530. It is recommended to apply a patch to fix this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.317812 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.317812 | signaturepermissions-required |
| https://vuldb.com/?submit.621878 | third-party-advisory |
| https://sourceware.org/bugzilla/show_bug.cgi?id=32109 | issue-tracking |
| https://sourceware.org/bugzilla/show_bug.cgi?id=3… | issue-tracking |
| https://sourceware.org/bugzilla/attachment.cgi?id=15680 | exploit |
| https://sourceware.org/git/gitweb.cgi?p=binutils-… | patch |
| https://www.gnu.org/ | product |
| https://cert-portal.siemens.com/productcert/html/… | |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| GNU | Binutils |
Affected:
2.44
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
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CVE-2025-8402 (GCVE-0-2025-8402)
Vulnerability from cvelistv5 – Published: 2025-08-21 17:01 – Updated: 2025-08-21 17:30
VLAI
Title
Nil pointer dereference in bulk import crashes server
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
10.8.0 , ≤ 10.8.3
(semver)
Affected: 10.5.0 , ≤ 10.5.8 (semver) Affected: 9.11.0 , ≤ 9.11.17 (semver) Affected: 10.10.0 (semver) Affected: 10.9.0 , ≤ 10.9.3 (semver) Unaffected: 10.11.0 Unaffected: 10.8.4 Unaffected: 10.5.9 Unaffected: 9.11.18 Unaffected: 10.10.1 Unaffected: 10.9.4 |
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CVE-2025-8534 (GCVE-0-2025-8534)
Vulnerability from cvelistv5 – Published: 2025-08-04 23:32 – Updated: 2025-08-05 15:26
VLAI
Title
libtiff tiff2ps tiff2ps.c PS_Lvl2page null pointer dereference
Summary
A vulnerability classified as problematic was found in libtiff 4.6.0. This vulnerability affects the function PS_Lvl2page of the file tools/tiff2ps.c of the component tiff2ps. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The name of the patch is 6ba36f159fd396ad11bf6b7874554197736ecc8b. It is recommended to apply a patch to fix this issue. One of the maintainers explains, that "[t]his error only occurs if DEFER_STRILE_LOAD (defer-strile-load:BOOL=ON) or TIFFOpen( .. "rD") option is used."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.318664 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.318664 | signaturepermissions-required |
| https://vuldb.com/?submit.617831 | third-party-advisory |
| https://gitlab.com/libtiff/libtiff/-/issues/718 | issue-tracking |
| https://gitlab.com/libtiff/libtiff/-/merge_requests/746 | patch |
| https://drive.google.com/file/d/15JPA3kLYiYD-nRNJ… | exploit |
| https://gitlab.com/libtiff/libtiff/-/commit/6ba36… | patch |
| http://www.libtiff.org/ | product |
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CVE-2025-8584 (GCVE-0-2025-8584)
Vulnerability from cvelistv5 – Published: 2025-08-05 16:32 – Updated: 2025-08-05 17:53 Unsupported When Assigned
VLAI
Title
libav AVI File Parser buffer.c av_buffer_unref null pointer dereference
Summary
A vulnerability classified as problematic was found in libav up to 12.3. Affected by this vulnerability is the function av_buffer_unref of the file libavutil/buffer.c of the component AVI File Parser. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The bug was initially reported by the researcher to the wrong project. This vulnerability only affects products that are no longer supported by the maintainer.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.318817 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.318817 | signaturepermissions-required |
| https://vuldb.com/?submit.621824 | third-party-advisory |
| https://trac.ffmpeg.org/ticket/11679 | issue-tracking |
| https://drive.google.com/file/d/1OwDNHuTbZFNTDX9a… | exploit |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-8584",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-05T17:53:17.495760Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-08-05T17:53:41.456Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://trac.ffmpeg.org/ticket/11679"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"modules": [
"AVI File Parser"
],
"product": "libav",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "12.0"
},
{
"status": "affected",
"version": "12.1"
},
{
"status": "affected",
"version": "12.2"
},
{
"status": "affected",
"version": "12.3"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability classified as problematic was found in libav up to 12.3. Affected by this vulnerability is the function av_buffer_unref of the file libavutil/buffer.c of the component AVI File Parser. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The bug was initially reported by the researcher to the wrong project. This vulnerability only affects products that are no longer supported by the maintainer."
},
{
"lang": "de",
"value": "In libav bis 12.3 wurde eine problematische Schwachstelle entdeckt. Betroffen ist die Funktion av_buffer_unref der Datei libavutil/buffer.c der Komponente AVI File Parser. Durch Manipulation mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden. Der Angriff muss lokal angegangen werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
}
],
"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"
}
},
{
"cvssV3_1": {
"baseScore": 3.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 3.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 1.7,
"vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "NULL Pointer Dereference",
"lang": "en",
"type": "CWE"
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]
},
{
"descriptions": [
{
"cweId": "CWE-404",
"description": "Denial of Service",
"lang": "en",
"type": "CWE"
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"providerMetadata": {
"dateUpdated": "2025-08-05T16:32:06.484Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
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"references": [
{
"name": "VDB-318817 | libav AVI File Parser buffer.c av_buffer_unref null pointer dereference",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/?id.318817"
},
{
"name": "VDB-318817 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.318817"
},
{
"name": "Submit #621824 | libav avconv 13 \u0026\u0026 the newest master Segmentation fault",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.621824"
},
{
"tags": [
"issue-tracking"
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"url": "https://trac.ffmpeg.org/ticket/11679"
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{
"tags": [
"exploit"
],
"url": "https://drive.google.com/file/d/1OwDNHuTbZFNTDX9afmvez_old3oRC7dM/view?usp=sharing"
}
],
"tags": [
"unsupported-when-assigned"
],
"timeline": [
{
"lang": "en",
"time": "2025-08-05T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2025-08-05T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2025-08-05T11:02:47.000Z",
"value": "VulDB entry last update"
}
],
"title": "libav AVI File Parser buffer.c av_buffer_unref null pointer dereference"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2025-8584",
"datePublished": "2025-08-05T16:32:06.484Z",
"dateReserved": "2025-08-05T08:57:37.080Z",
"dateUpdated": "2025-08-05T17:53:41.456Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation ID: MIT-56
Phase: Implementation
Description:
- 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
Phase: Requirements
Description:
- Select a programming language that is not susceptible to these issues.
Mitigation
Phase: Implementation
Description:
- Check the results of all functions that return a value and verify that the value is non-null before acting upon it.
Mitigation
Phase: Architecture and Design
Description:
- 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
Phase: Implementation
Description:
- 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.