VDB
CVE-2019-9721
CVE-2019-9721
PUBLISHED
A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video file in Matroska format, because handle_open_brace in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.
EPSS 0.50% · 66.2th percentile
Risk Scores
EPSS Score
0.50%
66.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | ffmpeg | 0, 7:3.3.4-2, 7:3.3.4-2build3 |
Timeline
- Mar 12, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 22, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 25, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 27, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 2, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-9721 third-party-advisory
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838dedc3932e65 third-party-advisory
- https://ubuntu.com/security/notices/USN-3967-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-9721 third-party-advisory