Out-of-bounds Write Affecting ffmpeg package, versions <7:4.2.7-0ubuntu0.1
Threat Intelligence
EPSS
0.87% (83rd
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU2004-FFMPEG-1131041
- published 1 Dec 2021
- disclosed 4 Jan 2021
Introduced: 4 Jan 2021
CVE-2020-35965 Open this link in a new tabHow to fix?
Upgrade Ubuntu:20.04 ffmpeg to version 7:4.2.7-0ubuntu0.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when to perform memset zero operations.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-35965
- https://www.debian.org/security/2021/dsa-4990
- https://security.gentoo.org/glsa/202105-24
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532
- https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b
- https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3
- https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html
CVSS Scores
version 3.1