PT-2021-10720 · FFmpeg+5 · Ffmpeg+5

Published 2019-09-11 · Updated 2026-02-06 · CVE-2020-22042

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions FFmpeg version 4.2

Description A Denial of Service issue exists due to a memory leak in the link filter inouts function in libavfilter/graphparser.c. This can lead to service disruption.

Recommendations For FFmpeg version 4.2, consider updating to a newer version that addresses the memory leak issue in the link filter inouts function. As a temporary workaround, consider restricting the use of the link filter inouts function in libavfilter/graphparser.c to minimize the risk of exploitation.

Exploit

Fix

DoS

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALT-PU-2019-2678

ALT-PU-2021-3508

ALT-PU-2021-3575

BDU:2025-12500

CLEANSTART-2026-EZ98723

CLEANSTART-2026-PS82605

CLEANSTART-2026-XE32069

CVE-2020-22042

DSA-4998-1

MGASA-2021-0495

OPENSUSE-SU-2021:3293-1

OPENSUSE-SU-2021_3293-1

SUSE-SU-2021:3293-1

SUSE-SU-2021_3293-1

SUSE-SU-2023:0005-1

USN-5167-1

USN-5472-1

Affected Products

Alt Linux

Astra Linux

Ffmpeg

Linuxmint

Suse

Ubuntu

References · 232

• 🔥 https://trac.ffmpeg.org/ticket/8267 · Exploit
• https://ubuntu.com/security/CVE-2020-22049 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-22021 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:0005-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-22017 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-22020 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-24020 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-1999014 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-20450 · Security Note
• https://ubuntu.com/security/CVE-2020-22041 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-13300 · Security Note
• https://advisories.mageia.org/MGASA-2021-0495.html · Security Note
• https://ubuntu.com/security/CVE-2021-3566 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-17539 · Security Note
• https://osv.dev/vulnerability/DSA-4998-1 · Vendor Advisory