CVEvulnerability
CVE-2021-38171
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-08-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-252
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.
Affected configurations
• ffmpeg ffmpeg 4.4
• debian debian linux 9.0
• debian debian linux 10.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-252 Unchecked Return Value weakness
References
- https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html Mailing List, Third Party Advisory
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/ patchwork.ffmpeg.org
- https://security.gentoo.org/glsa/202312-14 security.gentoo.org
- https://www.debian.org/security/2021/dsa-4990 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4998 Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html Mailing List, Third Party Advisory
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/ patchwork.ffmpeg.org
- https://security.gentoo.org/glsa/202312-14 security.gentoo.org
- https://www.debian.org/security/2021/dsa-4990 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4998 Third Party Advisory