medium6.5
CVE-2019-9721
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_o…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ffmpeg | Ffmpeg | Versions 3.2, 4.1 |
| Canonical | Ubuntu Linux | Versions 18.04, 18.10, 19.04 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.securityfocus.com/bid/107384
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838dedc3932e65
- https://github.com/FFmpeg/FFmpeg/commit/273f2755ce8635d42da3cde0eeba15b2e7842774
- https://usn.ubuntu.com/3967-1/
- http://www.securityfocus.com/bid/107384
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838dedc3932e65
- https://github.com/FFmpeg/FFmpeg/commit/273f2755ce8635d42da3cde0eeba15b2e7842774
- https://usn.ubuntu.com/3967-1/