CVE-2020-21688

high

Description

A heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg 4.2 allows attackers to execute arbitrary code.

References

https://www.debian.org/security/2021/dsa-4998

https://trac.ffmpeg.org/ticket/8186

Details

Source: Mitre, NVD

Published: 2021-08-10

Updated: 2021-11-30

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

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