CVE-2019-9717 (NVD)

2019-09-19

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.

Products Libav
Type Improper Input Validation (CWE-20)
First patch - None (likely due to unavailable code)
Links https://lgtm.com/security/
https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L90