Regular Expression Denial of Service (GHSA-qx4v-6gc5-f2vv)

Description

A Regular Expression Denial of Service vulnerability was discovered in esm before 3.1.0. The issue is that esm’s find-indexes is using the unescaped identifiers in a regex, which, in this case, causes an infinite loop.

Recommendation

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

• Affected version(s): < 3.1.0
• Patched version(s): 3.1.0

References

• GHSA-qx4v-6gc5-f2vv
• CWE-400

Related Issues

• Finance.js vulnerable to DoS via the seekZero() parameter - CVE-2025-56572
• Stimulsoft Dashboard.JS directory traversal vulnerability - CVE-2024-24398
• Inefficient Regular Expression Complexity in handsontable - CVE-2021-23446
• Regular Expression Denial of Service in jquery-validation - CVE-2021-21252

Tags:

npm

esm