ISOMAN

CVE

CVE-2019-9718

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.

Severity
MEDIUM
CVSS
6.5
Published
Modified

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource

References

  1. http://www.securityfocus.com/bid/107382
  2. https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982
  3. https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21
  4. https://seclists.org/bugtraq/2019/May/60
  5. https://usn.ubuntu.com/3967-1/
  6. https://www.debian.org/security/2019/dsa-4449
  7. http://www.securityfocus.com/bid/107382
  8. https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982
  9. https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21
  10. https://seclists.org/bugtraq/2019/May/60
  11. https://usn.ubuntu.com/3967-1/
  12. https://www.debian.org/security/2019/dsa-4449