What’s Vulnerable › Vulnerabilities

CVE-2020-24020

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-26 · updated 2026-06-17
• Weakness: CWE-120

Description

Buffer Overflow vulnerability in FFMpeg 4.2.3 in dnn_execute_layer_pad in libavfilter/dnn/dnn_backend_native_layer_pad.c due to a call to memcpy without length checks, which could let a remote malicious user execute arbitrary code.

Affected products

• FFmpeg: 4.2.3

References

• http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=584f396132aa19d21bb1e38ad9a5d428869290cb
• https://trac.ffmpeg.org/ticket/8718
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=584f396132aa19d21bb1e38ad9a5d428869290cb
• https://trac.ffmpeg.org/ticket/8718

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