CVE-2020-22020

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 v3.1 NVD

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

1.52% chance of exploitation in the next 30 days, 74th percentile

Published

2021-05-26

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://trac.ffmpeg.org/ticket/8239

Security advisories

• https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
• https://www.debian.org/security/2021/dsa-4990

References

• CVE Record
• NVD entry