CVEvulnerability
CVE-2019-9721
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-03-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-125
Description
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 configurations
• ffmpeg ffmpeg 3.2
• ffmpeg ffmpeg 4.1
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
• canonical ubuntu linux 19.04
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- http://www.securityfocus.com/bid/107384 Broken Link
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838dedc3932e65 Mailing List, Patch, Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/273f2755ce8635d42da3cde0eeba15b2e7842774 Patch, Third Party Advisory
- https://usn.ubuntu.com/3967-1/ Third Party Advisory
- http://www.securityfocus.com/bid/107384 Broken Link
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838dedc3932e65 Mailing List, Patch, Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/273f2755ce8635d42da3cde0eeba15b2e7842774 Patch, Third Party Advisory
- https://usn.ubuntu.com/3967-1/ Third Party Advisory