cvedb.io
CVE-2025-27789
MEDIUM · CVSS 6.2
EPSS exploitation probability: 0%
Published 2025-03-11T20:15:18.330 · Last modified 2026-06-17T09:04:13.763

Summary

Babel is a compiler for writing next generation JavaScript. When using versions of Babel prior to 7.26.10 and 8.0.0-alpha.17 to compile regular expression named capturing groups, Babel will generate a polyfill for the `.replace` method that has quadratic complexity on some specific replacement pattern strings (i.e. the second argument passed to `.replace`). Generated code is vulnerable if all the following conditions are true: Using Babel to compile regular expression named capturing groups, using the `.replace` method on a regular expression that contains named capturing groups, and the code using untrusted strings as the second argument of `.replace`. This problem has been fixed in `@babel/helpers` and `@babel/runtime` 7.26.10 and 8.0.0-alpha.17. It's likely that individual users do not

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.