Version of clean-css prior to 4.1.11 are vulnerable to Regular Expression Denial of Service (ReDoS). Untrusted input may cause catastrophic backtracking while matching regular expressions. This can cause the application to be unresponsive leading to Denial of Service.
: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.
WS-2019-0017 - Medium Severity Vulnerability
A well-tested CSS minifier
Library home page: https://registry.npmjs.org/clean-css/-/clean-css-2.0.8.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/clean-css/package.json
Dependency Hierarchy: - less-openui5-0.1.3.tgz (Root Library) - less-1.6.3.tgz - :x: **clean-css-2.0.8.tgz** (Vulnerable Library)
Found in base branch: main
Version of clean-css prior to 4.1.11 are vulnerable to Regular Expression Denial of Service (ReDoS). Untrusted input may cause catastrophic backtracking while matching regular expressions. This can cause the application to be unresponsive leading to Denial of Service.
Publish Date: 2018-03-06
URL: WS-2019-0017
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: Low
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://github.com/advisories/GHSA-wxhq-pm8v-cw75
Release Date: 2018-03-06
Fix Resolution (clean-css): 4.1.11
Direct dependency fix Resolution (less-openui5): 0.8.0
:rescue_worker_helmet: Automatic Remediation will be attempted for this issue.