What’s Vulnerable › Vulnerabilities

CVE-2020-20450

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-25 · updated 2026-06-17
• Weakness: CWE-476

Description

FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.

Affected products

• Debian Linux: 11.0
• FFmpeg: 4.2

References

• https://trac.ffmpeg.org/ticket/7993
• https://www.debian.org/security/2021/dsa-4998
• https://trac.ffmpeg.org/ticket/7993
• https://www.debian.org/security/2021/dsa-4998

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