CVE-2019-9720

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.

Score

CVSS 3.1 6.5 Medium

Status

Modified - cve@mitre.org

Published

2019-09-19

Last modified

2024-08-04

Weaknesses

CWE-787

Affected products

• Libav (Libav)

References

• https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L161
• https://lgtm.com/security/