Regular Expression Denial of Service in clean-css

Description

Version of clean-css prior to 4.1.11 are vulnerable to Regular Expression Denial of Service (ReDoS). Untrusted input may cause catastrophic backtracking while matching regular expressions. This can cause the application to be unresponsive leading to Denial of Service.

Recommendation

Update the clean-css package to the latest compatible version. Followings are version details:

• Affected version(s): < 4.1.11
• Patched version(s): 4.1.11

References

• GHSA-wxhq-pm8v-cw75
• www.npmjs.com
• CWE-1333

Related Issues

• useragent Regular Expression Denial of Service vulnerability - CVE-2020-26311
• Regular Expression Denial of Service (ReDoS) - Vulnerability
• Regular Expression Denial of Service in markdown - Vulnerability
• Foundation Regular Expression Denial of Service vulnerability - CVE-2020-26304

Tags:

npm

clean-css