CVE-2021-40944 - Vulnerability Details - OpenCVE

In GPAC MP4Box 1.1.0, there is a Null pointer reference in the function gf_filter_pid_get_packet function in src/filter_core/filter_pid.c:5394, as demonstrated by GPAC. This can cause a denial of service (DOS).

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Gpac	Gpac

Configuration 1 [-]

cpe:2.3:a:gpac:gpac:1.1.0:-:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/gpac/gpac/issues/1906
https://www.debian.org/security/2023/dsa-5411

History

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00048}`	epss `{'score': 0.00056}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-06-28T00:00:00

Updated: 2024-08-04T02:59:30.953Z

Reserved: 2021-09-13T00:00:00

Link: CVE-2021-40944

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-06-28T13:15:09.963

Modified: 2024-11-21T06:25:08.253

Link: CVE-2021-40944

Redhat

No data.

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gpac:gpac:1.1.0:-:*:*:*:*:*:*", "matchCriteriaId": "13133329-701B-4D4B-BA02-F2DF80638668", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In GPAC MP4Box 1.1.0, there is a Null pointer reference in the function gf_filter_pid_get_packet function in src/filter_core/filter_pid.c:5394, as demonstrated by GPAC. This can cause a denial of service (DOS)."}, {"lang": "es", "value": "En GPAC MP4Box versi\u00f3n 1.1.0, se presenta una Referencia de Puntero Null en la funci\u00f3n gf_filter_pid_get_packet en el archivosrc/filter_core/filter_pid.c:5394, como ha demostrado GPAC. Esto puede causar una denegaci\u00f3n de servicio (DOS)"}], "id": "CVE-2021-40944", "lastModified": "2024-11-21T06:25:08.253", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-06-28T13:15:09.963", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/gpac/gpac/issues/1906"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2023/dsa-5411"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/gpac/gpac/issues/1906"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2023/dsa-5411"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}