CVE-2020-13904

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.

• CWE-416

• https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/07/msg00022.htmlMailing List, Third Party Advisory
• https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/
• https://security.gentoo.org/glsa/202007-58Third Party Advisory
• https://trac.ffmpeg.org/ticket/8673Exploit, Issue Tracking, Vendor Advisory
• https://usn.ubuntu.com/4431-1/Third Party Advisory
• https://www.debian.org/security/2020/dsa-4722Third Party Advisory
• https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/07/msg00022.htmlMailing List, Third Party Advisory
• https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/
• https://security.gentoo.org/glsa/202007-58Third Party Advisory
• https://trac.ffmpeg.org/ticket/8673Exploit, Issue Tracking, Vendor Advisory
• https://usn.ubuntu.com/4431-1/Third Party Advisory
• https://www.debian.org/security/2020/dsa-4722Third Party Advisory

Published

Jun 7, 2020

Last Modified

Jun 17, 2026

Status

Modified

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