CVE-2020-21041 — Classic Buffer Overflow in Ffmpeg

CWE-120 — Classic Buffer Overflow8 documents5 sources
Severity
7.5HIGHNVD
OSV6.5
EPSS
1.7%
top 17.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
FfmpegDebian FfmpegDebian Linux
Timeline
PublishedMay 24
Latest updateJun 13

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/ffmpeg< ffmpeg 7:4.3.2-0+deb11u2 (bookworm)
▶Debianffmpeg/ffmpeg< 7:4.3.2-0+deb11u2+3
▶Ubuntuffmpeg/ffmpeg< 7:3.4.11-0ubuntu0.1+3
▶NVDffmpeg/ffmpeg4.1

Also affects: Debian Linux 10.0, 9.0

Patches

Patch: trac.ffmpeg.org ↗Patch: trac.ffmpeg.org ↗

🔴Vulnerability Details

4
OSV
ffmpeg vulnerabilities↗2022-06-13
▶
OSV
ffmpeg vulnerabilities↗2022-06-08
▶
GHSA
GHSA-4j78-4g93-cm53: Buffer Overflow vulnerability exists in FFmpeg 4↗2022-05-24
▶
OSV
CVE-2020-21041: Buffer Overflow vulnerability exists in FFmpeg 4↗2021-05-24
▶

📋Vendor Advisories

3
Ubuntu
FFmpeg vulnerabilities↗2022-06-13
▶
Ubuntu
FFmpeg vulnerabilities↗2022-06-08
▶
Debian
CVE-2020-21041: ffmpeg - Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in ...↗2020
▶