CVE-2024-27088

es5-ext Regular Expression Denial of Service in `function#copy` and `function#toStringTokens`

Published Feb 26, 2024 CVSS 3.1 · 0 Low EPSS < 1% KEV · Not listed
Description
es5-ext contains ECMAScript 5 extensions. Passing functions with very long names or complex default argument names into `function#copy` or `function#toStringTokens` may cause the script to stall. The vulnerability is patched in v0.10.63.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-0508 es5-ext contains ECMAScript 5 extensions. Passing functions with very long names or complex default argument names into `function#copy` or `function#toStringTokens` may cause the script to stall. The vulnerability is patched in v0.10.63.
Github GHSA Github GHSA GHSA-4gmj-3p3h-gm8h es5-ext vulnerable to Regular Expression Denial of Service in `function#copy` and `function#toStringTokens`
History
Type Values Removed Values Added
Metrics epss

{'score': 0.01846}

epss

{'score': 0.01897}

Type Values Removed Values Added
First Time appeared Medikoo
Medikoo es5-ext
CPEs cpe:2.3:a:medikoo:es5-ext:*:*:*:*:*:node.js:*:*
Vendors & Products Medikoo
Medikoo es5-ext
Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 9, 2024, 6:21 PM
Reserved
Feb 19, 2024, 2:43 PM
Status
Analyzed
Published
Feb 26, 2024, 5:15 PM
Modified
Jun 17, 2026, 7:19 AM