CVE-2020-21697 PUBLISHED

A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.

EPSS 0.24% · 46.7th percentile

Risk Scores

EPSS Score
0.24%
46.7th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSqtwebengine-opensource-src5.9.1+dfsg-4ubuntu1, 5.9.5+dfsg-0ubuntu2, 5.9.4+dfsg-0ubuntu1
Ubuntu:22.04:LTSqtwebengine-opensource-src5.15.6+dfsg-2, 5.15.6+dfsg-1, 0
Ubuntu:Pro:16.04:LTSffmpeg7:2.8.15-0ubuntu0.16.04.1, 7:2.8.15-0ubuntu0.16.04.1+esm1, 7:2.8.17-0ubuntu0.1
Ubuntu:24.04:LTSqtwebengine-opensource-src5.15.15+dfsg-2ubuntu1, 0, 5.15.15+dfsg-2
Ubuntu:20.04:LTSffmpeg7:4.2.1-2ubuntu1, 7:4.2.2-1build1, 7:4.2.2-1ubuntu1
Ubuntu:20.04:LTSqtwebengine-opensource-src5.12.5+dfsg-3ubuntu1, 5.12.5+dfsg-6ubuntu2, 5.12.5+dfsg-7
Ubuntu:18.04:LTSffmpeg7:3.4.1-1build1, 7:3.4-4build1, 7:3.4-4
Ubuntu:25.10qtwebengine-opensource-src5.15.19+dfsg-1, 5.15.19+dfsg2-1, 0

Timeline

References

Open in Interactive Console →