Vulnerability CVE-2019-9718: Information

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.

Severity: MEDIUM (6.5) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

URL: https://nvd.nist.gov/vuln/detail/CVE-2019-9718
Published: March 12, 2019
Modified: Oct. 7, 2022
Error type identifier: CWE-125

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
ffmpegsisyphus4.1.1-alt16.1.1-alt3ALT-PU-2019-1275-1222302Fixed
ffmpegp104.1.1-alt14.4.4-alt1ALT-PU-2019-1275-1222302Fixed
ffmpegp94.1.1-alt14.3.6-alt1ALT-PU-2019-1275-1222302Fixed
ffmpegc10f14.1.1-alt14.4.4-alt1ALT-PU-2019-1275-1222302Fixed
ffmpegc9f24.1.1-alt14.3.6-alt1ALT-PU-2019-1275-1222302Fixed
ffmpegp114.1.1-alt16.1.1-alt3ALT-PU-2019-1275-1222302Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982
  • Patch
  • Third Party Advisory
107382
  • Broken Link
USN-3967-1
  • Third Party Advisory
20190523 [SECURITY] [DSA 4449-1] ffmpeg security update
  • Mailing List
  • Third Party Advisory
DSA-4449
  • Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21
  • Patch
  • Third Party Advisory

    1. Configuration 1

      cpe:2.3:a:ffmpeg:ffmpeg:3.2:*:*:*:*:*:*:*
      cpe:2.3:a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:*

      Configuration 2

      cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

      Configuration 3

      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:*:*:*:*:*:*:*
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