CVE-2020-22037
MEDIUMFFmpeg 4.2 - Denial of Service via Memory Leak in avcodec_alloc_context3
Title source: llmDescription
A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in avcodec_alloc_context3 at options.c.
References (4)
Core 4
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://trac.ffmpeg.org/ticket/8281
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4990
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4998
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
Scores
CVSS v3
6.5
EPSS
0.0030
EPSS Percentile
53.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-401
Status
published
Products (4)
debian/debian_linux
9.0
debian/debian_linux
10.0
debian/debian_linux
11.0
ffmpeg/ffmpeg
4.2
Published
Jun 01, 2021
Tracked Since
Feb 18, 2026