CVE-2021-23382 (Medium) detected in postcss-7.0.35.tgz

## CVE-2021-23382 - Medium Severity Vulnerability
Vulnerable Library - postcss-7.0.35.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-7.0.35.tgz

Path to dependency file: lts-node/package.json

Path to vulnerable library: lts-node/node_modules/postcss/package.json

Dependency Hierarchy:
- deploy-4.0.0.tgz (Root Library)
- netlify-6.1.29.tgz
- zip-it-and-ship-it-3.10.0.tgz
- precinct-6.3.1.tgz
- detective-postcss-3.0.1.tgz
- :x: **postcss-7.0.35.tgz** (Vulnerable Library)

Found in HEAD commit: f42f6ab7f0f772239fa53f514cc269b3e074a929

Found in base branch: main

Vulnerability Details

The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \/\*\s* sourceMappingURL=(.*).

Publish Date: 2021-04-26

URL: CVE-2021-23382

CVSS 3 Score Details (5.3)

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.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23382

Release Date: 2021-04-26

Fix Resolution: postcss - 8.2.13

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