CVE-2026-71430Medium· 6.2▾ Sunlitnode-re2 provides RE2 regular expression bindings for Node.js. Prior to version 1.25.1, the WrappedRE2::Replace function built its replacement result and passed it to V8 using ToLocalChecked without checking for the empty MaybeLocal that…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 34.1 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 7.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.1%
Last analysed / modified upstream
6.2 → 7.5
medium → high
7.5 → 6.2
high → medium
6.2 → 7.5
medium → high
7.5 → 6.2
high → medium
6.2 → 7.5
medium → high
7.5 → 6.2
high → medium
0.1% → 0.2%
node-re2 provides RE2 regular expression bindings for Node.js. Prior to version 1.25.1, the WrappedRE2::Replace function built its replacement result and passed it to V8 using ToLocalChecked without checking for the empty MaybeLocal that V8 returns when the resulting string or buffer exceeds V8's maximum string length. When a global replace uses an output amplifying replacement template, the result can grow quadratically with the input size, and once the result exceeds V8's maximum string length, the unchecked ToLocalChecked call causes a fatal, uncatchable process abort instead of a catchable exception. This issue is fixed in version 1.25.1.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
re2 <= 1.25.0Patched in:
re2 1.25.1Source: https://github.com/advisories/GHSA-8hcv-x26h-mcgp
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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