What’s Vulnerable › Vulnerabilities

CVE-2020-22044

• 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 in the url_open_dyn_buf_internal function in libavformat/aviobuf.c.

Affected products

• Debian Linux: 9.0
• FFmpeg: 4.2

References

• https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
• https://trac.ffmpeg.org/ticket/8295
• https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
• https://trac.ffmpeg.org/ticket/8295

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