CVE-2021-23382

high

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=(.*).

References

https://snyk.io/vuln/SNYK-JS-POSTCSS-1255640

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1255641

https://github.com/postcss/postcss/commit/2b1d04c867995e55124e0a165b7c6622c1735956

Details

Source: Mitre, NVD

Published: 2021-04-26

Updated: 2023-08-08

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High