CVE-2024-27088

Name: CVE-2024-27088
Creator: NVD / NIST
Published: 2024-02-26T17:15:11+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2024-27088 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.53%

41.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Medikoo	Es5-Ext	>= 0.10.0, < 0.10.63

References

https://github.com/medikoo/es5-ext/commit/3551cdd7b2db08b1632841f819d008757d28e8e2Patch
https://github.com/medikoo/es5-ext/commit/a52e95736690ad1d465ebcd9791d54570e294602Patch
https://github.com/medikoo/es5-ext/issues/201Exploit, Issue Tracking
https://github.com/medikoo/es5-ext/security/advisories/GHSA-4gmj-3p3h-gm8hPatch, Vendor Advisory
https://github.com/medikoo/es5-ext/commit/3551cdd7b2db08b1632841f819d008757d28e8e2Patch
https://github.com/medikoo/es5-ext/commit/a52e95736690ad1d465ebcd9791d54570e294602Patch
https://github.com/medikoo/es5-ext/issues/201Exploit, Issue Tracking
https://github.com/medikoo/es5-ext/security/advisories/GHSA-4gmj-3p3h-gm8hPatch, Vendor Advisory

Timeline

Published: Feb 26, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-27088?

How severe is CVE-2024-27088?

CVE-2024-27088 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2024-27088?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-27088?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST