Vulnerability Database

310,379

Total vulnerabilities in the database

CVE-2019-9717

In Libav 12.3, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c has a complex format argument to sscanf.

  • Published: Sep 19, 2019
  • Updated: Nov 9, 2025
  • CVE: CVE-2019-9717
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: High
  • Score: 7.1
  • AV:N/AC:M/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
libav / libav - 12.3.x