Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package ffmpeg (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-FFMPEG-611442
- published12 Mar 2019
- disclosed12 Mar 2019
Introduced: 12 Mar 2019
CVE-2019-9718 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-9718
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9718
- https://seclists.org/bugtraq/2019/May/60
- https://www.debian.org/security/2019/dsa-4449
- https://security-tracker.debian.org/tracker/CVE-2019-9718
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982
- https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21
- http://www.securityfocus.com/bid/107382
- https://usn.ubuntu.com/3967-1/