CVEs-PoC/2020/CVE-2020-13904.md

CVE-2020-13904

Description

FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c.

POC

Reference

• https://trac.ffmpeg.org/ticket/8673

Github

• https://github.com/Live-Hack-CVE/CVE-2020-13904