CVE-2020-21041
ffmpeg - security update
7.5
HIGH
CVSS 3.1
EPSS 1.7%
Description
Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service
How to fix CVE-2020-21041
To remediate CVE-2020-21041, upgrade the affected package to a fixed version below.
- Debian/ffmpeg—upgrade to 7:4.3.2-0+deb11u2 or later
- Debian/ffmpeg—upgrade to 7:3.2.15-0+deb9u3 or later
Is CVE-2020-21041 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 7:4.3.2-0+deb11u2
- from 0, < 7:3.2.15-0+deb9u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |