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CVE-2022-21222

Published: 30 September 2022

The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
node-css-what
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(5.1.0-2)
lunar Not vulnerable
(6.1.0-5)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial
Released (2.1.0-1ubuntu0.16.04.1~esm1)
Available with Ubuntu Pro
kinetic Not vulnerable
(6.1.0-5)
focal
Released (3.2.1-1ubuntu0.1~esm1)
Available with Ubuntu Pro
bionic
Released (2.1.0-1+deb10u1build0.18.04.1)
mantic Needs triage

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H