CVEvulnerability
CVE-2019-9718
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
In FFmpeg 3.2 and 4.1, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because ff_htmlmarkup_to_ass in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.
Affected configurations
• ffmpeg ffmpeg 3.2
• ffmpeg ffmpeg 4.1
• debian debian linux 9.0
• 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/107382 Broken Link
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982 Patch, Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21 Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/60 Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3967-1/ Third Party Advisory
- https://www.debian.org/security/2019/dsa-4449 Third Party Advisory
- http://www.securityfocus.com/bid/107382 Broken Link
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982 Patch, Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21 Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/60 Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3967-1/ Third Party Advisory
- https://www.debian.org/security/2019/dsa-4449 Third Party Advisory