vulnerability

FFmpeg: CVE-2020-13904: Use After Free

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Jun 7, 2020
Added
Jun 15, 2020
Modified
Aug 11, 2025

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.

Solutions

ffmpeg-upgrade-2_8_17ffmpeg-upgrade-3_2_15ffmpeg-upgrade-3_4_8ffmpeg-upgrade-4_0_6ffmpeg-upgrade-4_1_6ffmpeg-upgrade-4_2_4ffmpeg-upgrade-4_3_1ffmpeg-upgrade-4_4
Title
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