The read_header function in libavcodec/ffv1dec.c in FFmpeg 2.4 and 3.3.4 and possibly earlier allows remote attackers to have unspecified impact via a crafted MP4 file, which triggers an out-of-bounds read.
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=c20f4fcb74da2d0432c7b54499bb98f48236b904
http://www.openwall.com/lists/oss-security/2017/11/03/4
http://www.securityfocus.com/bid/101690
https://github.com/FFmpeg/FFmpeg/commit/d893253fcd93d11258e98857175e93be7d158708
https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html
Source: MITRE
Published: 2017-11-06
Updated: 2021-01-04
Type: CWE-125
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH