VULNERABILITY INTELLIGENCE

CVE-2019-9720

CVSS score6.5 MEDIUM
EPSS probability1.09%
CISA KEVNot currently listed
Published2019-09-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf.

Weakness classification

  • CWE-787: Out-of-bounds Write

Primary references