| Name | CVE-2020-35965 |
| Description | 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. |
| 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-2537-1, DSA-4990-1 |
| NVD severity | medium |
| Debian Bugs | 979999 |
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) | 7:3.2.15-0+deb9u4 | fixed | |
| buster | 7:4.1.6-1~deb10u1 | vulnerable | |
| buster (security) | 7:4.1.8-0+deb10u1 | fixed | |
| bullseye | 7:4.3.2-0+deb11u2 | fixed | |
| bookworm, sid | 7:4.4-6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| ffmpeg | source | stretch | 7:3.2.15-0+deb9u2 | DLA-2537-1 | ||
| ffmpeg | source | buster | 7:4.1.8-0+deb10u1 | DSA-4990-1 | ||
| ffmpeg | source | (unstable) | 7:4.3.1-6 | 979999 |
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