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Medium severity5.3NVD Advisory· Published Apr 26, 2021· Updated Jun 17, 2026

CVE-2021-23382

CVE-2021-23382

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=(.*).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
postcssnpm
>= 8.0.0, < 8.2.138.2.13
postcssnpm
< 7.0.367.0.36

Affected products

3
  • Postcss/Postcss2 versions
    cpe:2.3:a:postcss:postcss:*:*:*:*:*:node.js:*:*+ 1 more
    • cpe:2.3:a:postcss:postcss:*:*:*:*:*:node.js:*:*range: <7.0.36
    • (no CPE)
  • ghsa-coords
    pkg:npm/postcss
    Range: >= 8.0.0, < 8.2.13

Patches

Vulnerability mechanics

References

6

News mentions

0

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