CVE-2021-23382

Regular Expression Denial of Service (ReDoS)

State: Published
Severity: 5.3 Medium
Published: Apr 26, 2021
Updated: Sep 16, 2024
Reserved: Jan 8, 2021

Description

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=(.*).

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	snyk

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
postcssn/a	before 8.2.13Affected

References

https://snyk.io/vuln/SNYK-JS-POSTCSS-1255640
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1255641
https://github.com/postcss/postcss/commit/2b1d04c867995e55124e0a165b7c6622c1735956

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