Medium severity6.5NVD Advisory· Published Mar 12, 2019· Updated Jun 17, 2026
CVE-2019-9718
CVE-2019-9718
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
16cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
- osv-coords6 versionspkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP1pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1
< 3.4.2-4.27.1+ 5 more
- (no CPE)range: < 3.4.2-4.27.1
- (no CPE)range: < 3.4.2-4.27.1
- (no CPE)range: < 3.4.2-4.27.1
- (no CPE)range: < 3.4.2-4.27.1
- (no CPE)range: < 3.4.2-4.27.1
- (no CPE)range: < 3.4.2-4.27.1
Patches
Vulnerability mechanics
References
6- git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982nvdPatchThird Party Advisory
- github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21nvdPatchThird Party Advisory
- seclists.org/bugtraq/2019/May/60nvdMailing ListThird Party Advisory
- usn.ubuntu.com/3967-1/nvdThird Party Advisory
- www.debian.org/security/2019/dsa-4449nvdThird Party Advisory
- www.securityfocus.com/bid/107382nvdBroken Link
News mentions
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