The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
CVE-2021-33587 - High Severity Vulnerability
Vulnerable Library - css-what-3.4.2.tgz
a CSS selector parser
Library home page: https://registry.npmjs.org/css-what/-/css-what-3.4.2.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/css-what/package.json
Dependency Hierarchy: - cli-service-4.5.17.tgz (Root Library) - cssnano-4.1.11.tgz - cssnano-preset-default-4.0.8.tgz - postcss-svgo-4.0.3.tgz - svgo-1.3.2.tgz - css-select-2.1.0.tgz - :x: **css-what-3.4.2.tgz** (Vulnerable Library)
Found in HEAD commit: 854271c1285a357b179dc4dce834a7145f0a564e
Found in base branch: master
Vulnerability Details
The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input.
Publish Date: 2021-05-28
URL: CVE-2021-33587
CVSS 3 Score Details (7.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33587
Release Date: 2021-05-28
Fix Resolution: css-what - 5.0.1
Step up your Open Source Security Game with Mend here