Regular Expression Denial of Service in postcss (GHSA-hwj9-h5mp-3pm3)

Description

The npm package postcss from 7.0.0 and before versions 7.0.36 and 8.2.10 is vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.

Recommendation

Update the postcss package to the latest compatible version. Followings are version details:

• Affected version(s): **>= 8.0.0, < 8.2.10

  >= 7.0.0, < 7.0.36**

• Patched version(s): **8.2.10

  7.0.36**

References

• GHSA-hwj9-h5mp-3pm3
• lists.apache.org
• snyk.io
• CVE-2021-23368
• CWE-400
• CAPEC-310
• OWASP 2021-A6

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• CodeceptJS's incomprehensive sanitation can lead to Command Injection - CVE-2025-57285
• DuckDB NPM packages 1.3.3 and 1.29.2 briefly compromised with malware - CVE-2025-59037
• Payload does not invalidate JWTs after log out (GHSA-5v66-m237-hwf7) 2 - CVE-2025-4643

Tags:

npm

postcss