What’s Vulnerable › Vulnerabilities

CVE-2020-20892

• Severity: high (CVSS 8.8 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: yes
• Published: 2021-09-20 · updated 2026-06-17
• Weakness: CWE-369

Description

An issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a division by zero.

Affected products

• FFmpeg: 4.2.1

References

• http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=19587c9332f5be4f6bc6d7b2b8ef3fd21dfeaa01
• https://trac.ffmpeg.org/ticket/8265
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=19587c9332f5be4f6bc6d7b2b8ef3fd21dfeaa01
• https://trac.ffmpeg.org/ticket/8265

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