CVE-2019-9718 — Vulnetix

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CVE-2019-9718 PUBLISHED

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.

EPSS 1.59% · 81.6th percentile

Risk Scores

EPSS Score

1.59%

81.6th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	ffmpeg	0, 7:3.3.4-2, 7:3.3.4-2build3

Timeline

Mar 12, 2019 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2019-9718 third-party-advisory
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982 third-party-advisory
https://ubuntu.com/security/notices/USN-3967-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2019-9718 third-party-advisory

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