CVE-2019-9720

MEDIUM

Libav 12.3 - Buffer Overflow

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_misc
https://lgtm.com/security/

Scores

CVSS v3 6.5
EPSS 0.0029
EPSS Percentile 52.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-787
Status published
Products (1)
libav/libav < 12.3
Published Sep 19, 2019
Tracked Since Feb 18, 2026