What’s Vulnerable › Vulnerabilities

CVE-2020-20448

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% 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-369

Description

FFmpeg 4.1.3 is affected by a Divide By Zero issue via libavcodec/ratecontrol.c, which allows a remote malicious user to cause a Denial of Service.

Affected products

• FFmpeg: 4.1.3

References

• https://trac.ffmpeg.org/ticket/7990
• https://trac.ffmpeg.org/ticket/7990

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