Use After Free Affecting ffmpeg package, versions <7:4.2.7-0ubuntu0.1
Threat Intelligence
EPSS
0.27% (69th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU2004-FFMPEG-1540048
- published 11 Aug 2021
- disclosed 10 Aug 2021
Introduced: 10 Aug 2021
CVE-2020-21688 Open this link in a new tabHow to fix?
Upgrade Ubuntu:20.04 ffmpeg to version 7:4.2.7-0ubuntu0.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
A heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg 4.2 allows attackers to execute arbitrary code.
CVSS Scores
version 3.1