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High severity8.8NVD Advisory· Published Apr 7, 2021· Updated Jun 17, 2026

CVE-2021-30123

CVE-2021-30123

Description

FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.

AI Insight

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

Affected products

4

FFmpeg/Ffmpeg2 versions
cpe:2.3:a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:*
- (no CPE)range: <=4.3
FFmpeg/libavcodecdescription
FFmpeg/Libavcodecllm-fuzzy
Range: <=4.3

Patches

Vulnerability mechanics

References

4

trac.ffmpeg.org/ticket/8845nvdExploitVendor Advisory
trac.ffmpeg.org/ticket/8863nvdExploitVendor Advisory
security.gentoo.org/glsa/202105-24nvdThird Party Advisory
git.videolan.orgnvd

News mentions

0

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