CVE Vulnerability

CVE-2020-21688

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

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://trac.ffmpeg.org/ticket/8186 Exploit Issue Tracking
https://www.debian.org/security/2021/dsa-4998 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Information

Published : 2021-08-10 09:15

Updated : 2021-11-30 06:54

NVD link : CVE-2020-21688

Mitre link : CVE-2020-21688

Products Affected
No products.
CWE
CWE-416