🛡️ CVE-2021-40942 on Debian — gpac

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

In GPAC MP4Box v1.1.0, there is a heap-buffer-overflow in the function filter_parse_dyn_args function in filter_core/filter.c:1454, as demonstrated by GPAC. This can cause a denial of service (DOS).

Distribution advisory

This page covers CVE-2021-40942 as tracked by Debian, for the package gpac. No fixed version has been recorded for this distribution yet.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

DEBIAN-CVE-2021-40942 is recorded against 1 package.

gpac

Timeline and source

Published on 27 June 2022 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2021-40942 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Ubuntu

Details

Severity Unknown

CVSS Score N/A

CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2022-06-27

Updated 2026-08-11

Modified 2026-08-04

Fix URL N/A

Affected Packages

Software	From version	Fixed in
gpac	—	—

References

ADVISORY https://security-tracker.debian.org/tracker/CVE-2021-40942

🔗 NVD 🔗 Mitre

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