Published: 12/03/2019 Updated: 07/10/2022

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

In FFmpeg 3.2 and 4.1, a denial of service in the subtitle decoder allows malicious users 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
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

Debian Bug report logs - #926666 CVE-2019-9718 CVE-2019-9721 Package: ffmpeg; Maintainer for ffmpeg is Debian Multimedia Maintainers <debian-multimedia@listsdebianorg>; Source for ffmpeg is src:ffmpeg (PTS, buildd, popcon) Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Mon, 8 Apr 2019 18:33:07 UTC Severit ...

FFmpeg could be made to crash if it opened a specially crafted file ...

Several vulnerabilities have been discovered in the FFmpeg multimedia framework, which could result in denial of service or potentially the execution of arbitrary code if malformed files/streams are processed For the stable distribution (stretch), these problems have been fixed in version 7:3214-1~deb9u1 We recommend that you upgrade your ffmpe ...

CWE-125 https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982 http://www.securityfocus.com/bid/107382 https://usn.ubuntu.com/3967-1/https://seclists.org/bugtraq/2019/May/60 https://www.debian.org/security/2019/dsa-4449 https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=926666 https://usn.ubuntu.com/3967-1/https://nvd.nist.gov

CVE-2019-9718

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