CVE-2020-22020 — Classic Buffer Overflow in Ffmpeg

CWE-120 — Classic Buffer Overflow8 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
2.3%
top 15.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
FfmpegDebian FfmpegDebian Linux
Timeline
PublishedMay 26
Latest updateJun 13

Description

Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.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:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/ffmpeg< ffmpeg 7:4.3-2 (bookworm)
▶Debianffmpeg/ffmpeg< 7:4.3-2+3
▶Ubuntuffmpeg/ffmpeg< 7:3.4.11-0ubuntu0.1+3
▶NVDffmpeg/ffmpeg4.2

Also affects: Debian Linux 10.0, 9.0

🔴Vulnerability Details

4
OSV
ffmpeg vulnerabilities↗2022-06-13
▶
OSV
ffmpeg vulnerabilities↗2022-06-08
▶
GHSA
GHSA-8pmh-46hf-c4rr: Buffer Overflow vulnerability in FFmpeg 4↗2022-05-24
▶
OSV
CVE-2020-22020: Buffer Overflow vulnerability in FFmpeg 4↗2021-05-26
▶

📋Vendor Advisories

3
Ubuntu
FFmpeg vulnerabilities↗2022-06-13
▶
Ubuntu
FFmpeg vulnerabilities↗2022-06-08
▶
Debian
CVE-2020-22020: ffmpeg - Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in li...↗2020
▶