{"cve":"CVE-2024-27088","nvd":{"published":"2024-02-26T17:15:11.000","modified":"2026-06-17T07:19:08.413","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-1333","CWE-400"],"references":["https://github.com/medikoo/es5-ext/commit/3551cdd7b2db08b1632841f819d008757d28e8e2","https://github.com/medikoo/es5-ext/commit/a52e95736690ad1d465ebcd9791d54570e294602","https://github.com/medikoo/es5-ext/issues/201","https://github.com/medikoo/es5-ext/security/advisories/GHSA-4gmj-3p3h-gm8h","https://github.com/medikoo/es5-ext/commit/3551cdd7b2db08b1632841f819d008757d28e8e2"],"products":["medikoo:es5-ext"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2024-27088","score":0.00535,"percentile":0.45143,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4gmj-3p3h-gm8h","url":"https://osv.dev/vulnerability/GHSA-4gmj-3p3h-gm8h","summary":"es5-ext vulnerable to Regular Expression Denial of Service in `function#copy` and `function#toStringTokens`","modified":"2026-09-10T03:50:05.256193314Z","packages":[{"ecosystem":"npm","name":"es5-ext","purl":"pkg:npm/es5-ext","ranges":[">=0.10.0 <0.10.63"],"fixed":["0.10.63"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}