CVE-2020-21697
MEDIUM6.5EPSS 0.28%Published: 8/10/2021Modified: 4/28/2026
Also known as:DEBIAN-CVE-2020-21697
Description
A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.
Affected packages (1)
- Debian/ffmpegfrom 0, < 7:4.3.3-0+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |