Unchecked Return Value Affecting libavutil-devel package, versions <3.4.2-11.11.1
Threat Intelligence
EPSS
0.92% (83rd
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-SLES153-LIBAVUTILDEVEL-2663918
- published 14 Apr 2022
- disclosed 23 Sep 2021
Introduced: 23 Sep 2021
CVE-2021-38171 Open this link in a new tabHow to fix?
Upgrade SLES:15.3 libavutil-devel to version 3.4.2-11.11.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libavutil-devel package and not the libavutil-devel package as distributed by SLES.
See How to fix? for SLES:15.3 relevant fixed versions and status.
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.
References
- https://www.suse.com/security/cve/CVE-2021-38171.html
- https://lists.suse.com/pipermail/sle-security-updates/2021-September/009495.html
- https://www.suse.com/support/update/announcement/2021/suse-su-20213193-1/
- https://bugzilla.suse.com/1189724
- https://www.suse.com/security/cve/CVE-2021-38171/
- https://www.suse.com/support/security/rating/
- https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19@AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/
- https://www.debian.org/security/2021/dsa-4990
- https://www.debian.org/security/2021/dsa-4998
- https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
- https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/
- https://security.gentoo.org/glsa/202312-14
CVSS Scores
version 3.1