What’s Vulnerable › Vulnerabilities

CVE-2020-22043

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-01 · updated 2026-06-17
• Weakness: CWE-401

Description

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak at the fifo_alloc_common function in libavutil/fifo.c.

Affected products

• FFmpeg: 4.2

References

• https://trac.ffmpeg.org/ticket/8284
• https://trac.ffmpeg.org/ticket/8284

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