PT-2021-7396 · FFmpeg+5 · Ffmpeg+5

Published 2019-08-11 · Updated 2026-02-06 · CVE-2021-38291

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640)

Description The issue is related to an assertion failure at src/libavutil/mathematics.c in the FFmpeg library. This can be exploited by a remote attacker to cause a denial of service. The vulnerability is associated with insufficient use of the assert() function.

Recommendations For FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640), consider updating to a newer version that addresses the assertion failure issue in src/libavutil/mathematics.c. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

ALT-PU-2019-2434

ALT-PU-2021-1662

ALT-PU-2021-3508

ALT-PU-2021-3575

BDU:2022-05971

CLEANSTART-2026-EZ98723

CLEANSTART-2026-PS82605

CLEANSTART-2026-XE32069

CVE-2021-38291

DLA-2818-1

DSA-4990-1

DSA-4998-1

MGASA-2021-0495

OPENSUSE-SU-2024_3114-1

SUSE-SU-2024:3114-1

USN-5167-1

USN-5472-1

Affected Products

Alt Linux

Astra Linux

Ffmpeg

Linuxmint

Suse

Ubuntu

References · 214

• 🔥 https://trac.ffmpeg.org/ticket/9312 · Exploit
• https://ubuntu.com/security/CVE-2020-22022 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-22036 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-22017 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-24020 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-30123 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-38291 · Security Note
• https://osv.dev/vulnerability/USN-5472-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-20453 · Security Note
• https://ubuntu.com/security/CVE-2020-22044 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-13302 · Security Note
• https://ubuntu.com/security/CVE-2020-21688 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-38291 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-22025 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5167-1 · Vendor Advisory