VYPR
High severity8.8NVD Advisory· Published Aug 10, 2021· Updated Jun 17, 2026

CVE-2020-21688

CVE-2020-21688

Description

A heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg 4.2 allows attackers to execute arbitrary code.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

24

Patches

Vulnerability mechanics

References

2

News mentions

0

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