VDB
CVE-2020-21697
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 0.28% · 51.7th percentile
Risk Scores
EPSS Score
0.28%
51.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | qtwebengine-opensource-src | 0, 5.9.5+dfsg-0ubuntu2, 5.9.4+dfsg-0ubuntu1 |
| Ubuntu:22.04:LTS | qtwebengine-opensource-src | 5.15.6+dfsg-1, 0, * |
| Ubuntu:Pro:16.04:LTS | ffmpeg | *, 7:2.8.15-0ubuntu0.16.04.1, 7:2.8.15-0ubuntu0.16.04.1+esm1 |
| Ubuntu:24.04:LTS | qtwebengine-opensource-src | 5.15.16+dfsg-1, 5.15.16+dfsg-1ubuntu2, 5.15.16+dfsg-1ubuntu4 |
| Ubuntu:20.04:LTS | ffmpeg | *, 0, 7:4.1.4-1build2 |
| Ubuntu:20.04:LTS | qtwebengine-opensource-src | 5.12.5+dfsg-7, 5.12.5+dfsg-7build1, 5.12.8+dfsg-0ubuntu1.1 |
| Ubuntu:18.04:LTS | ffmpeg | 7:3.4-2ubuntu2, 7:3.3.4-2build3, 7:3.3.4-2 |
| Ubuntu:25.10 | qtwebengine-opensource-src | 0, 5.15.18+dfsg-2build1, 5.15.18+dfsg-2 |
Exploit Intelligence
- https://trac.ffmpeg.org/ticket/8188 (nist-nvd)
- DSA-4998 (circl)
Timeline
- Aug 10, 2021 CVE Published
- Aug 11, 2021 EPSS Score
- Oct 9, 2021 EPSS Score
- Dec 6, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 3, 2022 EPSS Score
- May 31, 2022 EPSS Score
- Jul 30, 2022 EPSS Score
- Sep 27, 2022 EPSS Score
- Nov 25, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-21697 third-party-advisory
- https://trac.ffmpeg.org/ticket/8188 third-party-advisory
- https://ubuntu.com/security/notices/USN-5472-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-5167-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-21697 third-party-advisory