CVE-2019-9721

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Summary

CVECVE-2019-9721
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-03-12 09:29:00 UTC
Updated2022-10-07 01:57:00 UTC
DescriptionA denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video file in Matroska format, because handle_open_brace in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.10 All All All
Operating System Canonical Ubuntu Linux 19.04 All All All
Application Ffmpeg Ffmpeg 3.2 All All All
Application Ffmpeg Ffmpeg 4.1 All All All
Application Ffmpeg Ffmpeg 4.1 All All All

References

ReferenceSourceLinkTags
USN-3967-1: FFmpeg vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com
Malformed Request BID www.securityfocus.com Third Party Advisory, VDB Entry
git.ffmpeg.org Git - ffmpeg.git/commit MISC git.ffmpeg.org Mailing List, Patch, Third Party Advisory
avcodec/htmlsubtitles: Fixes denial of service due to use of sscanf i… · FFmpeg/FFmpeg@273f275 · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500905 Alpine Linux Security Update for ffmpeg
  • 502275 Alpine Linux Security Update for ffmpeg4
  • 504748 Alpine Linux Security Update for ffmpeg
  • 504766 Alpine Linux Security Update for ffmpeg4
  • 751079 SUSE Enterprise Linux Security Update for ffmpeg (SUSE-SU-2021:2929-1)
  • 751102 OpenSUSE Security Update for ffmpeg (openSUSE-SU-2021:2919-1)
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