| Name | CVE-2020-22036 |
| Description | A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_intra at libavfilter/vf_bwdif.c, which might lead to memory corruption and other potential consequences. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2742-1, DSA-4990-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ffmpeg (PTS) | stretch | 7:3.2.14-1~deb9u1 | vulnerable |
| stretch (security) | 7:3.2.18-0+deb9u1 | fixed |
| buster | 7:4.1.8-0+deb10u1 | fixed |
| buster (security) | 7:4.1.9-0+deb10u1 | fixed |
| bullseye | 7:4.3.3-0+deb11u1 | fixed |
| bullseye (security) | 7:4.3.4-0+deb11u1 | fixed |
| bookworm, sid | 7:4.4.2-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://trac.ffmpeg.org/ticket/8261
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=8c3166e1c302c3ba80d9742ae46161c0fa8e2606
CVE-2020-22036 and CVE-2020-20899 are duplicates, reported to MITRE