Home/CVE/A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in avcodec_alloc_context3 at options.c.
CVE

CVE-2020-22037

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in avcodec_alloc_context3 at options.c.

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in avcodec_alloc_context3 at options.c.

MEDIUM · CVSS 6.5 EPSS 0.0034
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime
▤

Affected Products & Versions

2
ffmpegall versions
debian linuxall versions
⚠

Public Exploits & PoCs

1
poctrac.ffmpeg.org · 8281trac.ffmpeg.org
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Jun 2021 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

7
suse-csafSUSE-SU-2025:1128-1
suse-csafopenSUSE-SU-2024:11548-1
suse-csafSUSE-SU-2023:0005-1
usnUSN-5167-1
usnUSN-5472-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.debian.org/debian-lts-announce/2021/11/msg00012.htmlMailing ListThird Party Advisory
https://www.debian.org/security/2021/dsa-4990Third Party Advisory
https://www.debian.org/security/2021/dsa-4998Third Party Advisory
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