Rapid7 Vulnerability & Exploit Database

FFmpeg: CVE-2020-13904: Use After Free

Back to Search

FFmpeg: CVE-2020-13904: Use After Free

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
06/07/2020
Created
06/16/2020
Added
06/15/2020
Modified
04/09/2021

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.

Solution(s)

  • ffmpeg-upgrade-2_8_17
  • ffmpeg-upgrade-3_2_15
  • ffmpeg-upgrade-3_4_8
  • ffmpeg-upgrade-4_0_6
  • ffmpeg-upgrade-4_1_6
  • ffmpeg-upgrade-4_2_4
  • ffmpeg-upgrade-4_3_1
  • ffmpeg-upgrade-4_4

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;