CVE Vulnerability

CVE-2020-22020

Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which could let a remote malicious user cause a Denial of Service.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=ce5274c1385d55892a692998923802023526b765 Patch Vendor Advisory
https://trac.ffmpeg.org/ticket/8239 Exploit Issue Tracking
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4990 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2021-05-26 08:15

Updated : 2021-11-05 09:57

NVD link : CVE-2020-22020

Mitre link : CVE-2020-22020

Products Affected
No products.
CWE
CWE-120