CVEvulnerability

CVE-2020-21688

8.8 HIGH Published 2021-08-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-416

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.

Affected configurations

• ffmpeg ffmpeg 4.2 • debian debian linux 11.0

Related

Weakness · CWE (1)

References