CVE-2021-38171
- Source
- https://cve.org/CVERecord?id=CVE-2021-38171
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38171.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-38171
- Downstream
- Related
- Published
- 2021-08-21T17:15:07.700Z
- Modified
- 2026-02-15T08:05:32.948341Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
adtsdecodeextradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the initgetbits return value, which is a necessary step because the second argument to initgetbits can be crafted.
- References
-
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/
- https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6
- https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
- https://security.gentoo.org/glsa/202312-14
- https://www.debian.org/security/2021/dsa-4990
- https://www.debian.org/security/2021/dsa-4998
- https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6
- https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
Affected packages
Git / github.com/ffmpeg/ffmpeg
Affected ranges
- Type
- GIT
- Repo
- https://github.com/ffmpeg/ffmpeg
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected