| Name | CVE-2020-36138 | 
| Description | An issue was discovered in decode_frame in libavcodec/tiff.c in FFmpeg version 4.3, allows remote attackers to cause a denial of service (DoS). | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| ffmpeg (PTS) | bullseye | 7:4.3.7-0+deb11u1 | fixed | 
|  | bullseye (security) | 7:4.3.9-0+deb11u1 | fixed | 
|  | bookworm, bookworm (security) | 7:5.1.7-0+deb12u1 | fixed | 
|  | trixie | 7:7.1.1-1 | fixed | 
|  | trixie (security) | 7:7.1.2-0+deb13u1 | fixed | 
|  | forky, sid | 7:7.1.2-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| ffmpeg | source | (unstable) | (not affected) |  |  |  | 
Notes
- ffmpeg <not-affected> (Only affects 4.4 development branches)
https://trac.ffmpeg.org/ticket/8960
Fixed by: https://github.com/FFmpeg/FFmpeg/commit/292e41ce650a7b5ca5de4ae87fff0d6a90d9fc97 (n4.4)
Regression from: https://github.com/FFmpeg/FFmpeg/commit/da5b3d002862d1e105002a6dc1567e6551860896 (n4.4)