CVE-2021-38171 — Unchecked Return Value in Ffmpeg

CWE-252 — Unchecked Return Value8 documents5 sources
Severity
9.8CRITICALNVD
OSV6.5
EPSS
0.2%
top 56.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
FfmpegDebian FfmpegDebian Linux
Timeline
PublishedAug 21
Latest updateJun 13

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶debiandebian/ffmpeg< ffmpeg 7:4.4.1-1 (bookworm)
▶Debianffmpeg/ffmpeg< 7:4.3.3-0+deb11u1+3
▶Ubuntuffmpeg/ffmpeg< 7:3.4.11-0ubuntu0.1+3
▶NVDffmpeg/ffmpeg4.4

Also affects: Debian Linux 10.0, 11.0, 9.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
OSV
ffmpeg vulnerabilities↗2022-06-13
▶
OSV
ffmpeg vulnerabilities↗2022-06-08
▶
GHSA
GHSA-8cmw-hp26-wrpm: adts_decode_extradata in libavformat/adtsenc↗2022-05-24
▶
OSV
CVE-2021-38171: adts_decode_extradata in libavformat/adtsenc↗2021-08-21
▶

📋Vendor Advisories

3
Ubuntu
FFmpeg vulnerabilities↗2022-06-13
▶
Ubuntu
FFmpeg vulnerabilities↗2022-06-08
▶
Debian
CVE-2021-38171: ffmpeg - adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the ...↗2021
▶