🛡️ CVE-2021-40568 on Debian — gpac

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

A buffer overflow vulnerability exists in Gpac through 1.0.1 via a malformed MP4 file in the svc_parse_slice function in av_parsers.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.

Distribution advisory

This page covers CVE-2021-40568 as tracked by Debian, for the package gpac. The fix is available in version 1.0.1+dfsg1-4+deb11u2; earlier versions remain affected.

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 high, integrity high, availability high.

Affected software

DEBIAN-CVE-2021-40568 is recorded against 1 package.

gpac (fixed in 1.0.1+dfsg1-4+deb11u2)

Timeline and source

Published on 13 January 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-2021-40568 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:H/I:H/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2022-01-13

Updated 2026-08-11

Modified 2026-08-04

Fix URL N/A

Affected Packages

Software	From version	Fixed in
gpac	—	1.0.1+dfsg1-4+deb11u2

References

ADVISORY https://security-tracker.debian.org/tracker/CVE-2021-40568

🔗 NVD 🔗 Mitre

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