CVE-2021-38171

CRITICAL

FFmpeg 4.4 - Buffer Overflow

Title source: llm
STIX 2.1

Description

adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a necessary step because the second argument to init_get_bits can be crafted.

Scores

CVSS v3 9.8
EPSS 0.0021
EPSS Percentile 43.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-252
Status published
Products (4)
debian/debian_linux 9.0
debian/debian_linux 10.0
debian/debian_linux 11.0
ffmpeg/ffmpeg 4.4
Published Aug 21, 2021
Tracked Since Feb 18, 2026