What’s Vulnerable › Vulnerabilities

CVE-2020-22049

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-02 · updated 2026-06-17
• Weakness: CWE-401

Description

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wtvdec.c.

Affected products

• Debian Linux: 9.0, 10.0
• FFmpeg: 4.2

References

• http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=373c1c9b691fd4c6831b3a114a006b639304c2af
• https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
• https://trac.ffmpeg.org/ticket/8314
• https://www.debian.org/security/2021/dsa-4990
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=373c1c9b691fd4c6831b3a114a006b639304c2af
• https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
• https://trac.ffmpeg.org/ticket/8314
• https://www.debian.org/security/2021/dsa-4990

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