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CVE-2024-27088

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

CVSS 0 NONEEPSS 0.5%CWE-1333CWE-400
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 0EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
26 Feb 2024Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:N
Affected products
medikoo · es5-ext

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References
https://github.com/medikoo/es5-ext/commit/3551cdd7b2db08b1632841f819d008757d28e8e2https://github.com/medikoo/es5-ext/commit/a52e95736690ad1d465ebcd9791d54570e294602https://github.com/medikoo/es5-ext/issues/201https://github.com/medikoo/es5-ext/security/advisories/GHSA-4gmj-3p3h-gm8h