What’s Vulnerable › Vulnerabilities

CVE-2020-22021

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-26 · updated 2026-06-17
• Weakness: CWE-120

Description

Buffer Overflow vulnerability in FFmpeg 4.2 at filter_edges function in libavfilter/vf_yadif.c, which could let a remote malicious user cause a Denial of Service.

Affected products

• Debian Linux: 9.0, 10.0
• FFmpeg: 4.2

References

• https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
• https://trac.ffmpeg.org/ticket/8240
• https://www.debian.org/security/2021/dsa-4990
• https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
• https://trac.ffmpeg.org/ticket/8240
• https://www.debian.org/security/2021/dsa-4990

Get alerted when CVE-2020-22021 or the next vulnerability affects your stack