Buffer Overflow vulnerability in FFmpeg 4.2 in mov_write_video_tag due to the out of bounds in libavformat/movenc.c, which could let a remote malicious user obtain sensitive information, cause a Denial of Service, or execute arbitrary code.
https://www.debian.org/security/2021/dsa-4990
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
https://trac.ffmpeg.org/ticket/8190
Source: Mitre, NVD
Published: 2021-05-26
Updated: 2021-11-05
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
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
Severity: High
EPSS: 0.00221