CVE-2019-9718 (GCVE-0-2019-9718)

Vulnerability from cvelistv5 – Published: 2019-03-12 06:00 – Updated: 2024-08-04 22:01
VLAI
Summary
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
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1… x_refsource_MISC
http://www.securityfocus.com/bid/107382 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3967-1/ vendor-advisoryx_refsource_UBUNTU
https://seclists.org/bugtraq/2019/May/60 mailing-listx_refsource_BUGTRAQ
https://www.debian.org/security/2019/dsa-4449 vendor-advisoryx_refsource_DEBIAN
https://github.com/FFmpeg/FFmpeg/commit/23ccf3cab… x_refsource_MISC
Date Public
2019-03-12 00:00
Show details on NVD website
To clipboard 

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      "cve": "CVE-2019-9718",
      "id": "CVE-2019-9718",
      "initial_release_date": "2019-03-12T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "ffmpeg: denial of service in subtitle decoder allows attackers to hog CPU via crafted video file",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-9718.json",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.