CVE-2026-71498node-re2: Out-of-bounds heap read in `replace`/`split` via a `Buffer` ending in a truncated multi-byte UTF-8 character → adjacent heap memory disclosed to JavaScript
Updated under an hour ago ()
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It affects uhop node-re2. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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node-re2 provides RE2 regular expression bindings for Node.js. Prior to version 1.26.1, passing a Buffer whose final bytes form a truncated (incomplete) multi-byte UTF-8 sequence could cause the native binding to read past the end of the allocated buffer while attempting to decode the final, incomplete code point. This could result in an out-of-bounds read and potential disclosure of adjacent memory contents. This issue is fixed in version 1.26.1.
- CVSS
- 5.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- Weakness (CWE)
- CWE-125
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Awaiting Analysis
- Record last updated
- Aug 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
uhop node-re2 uhop:node_re2 (from the name) | before 1.26.1 | CNA record |
References
- https://github.com/uhop/node-re2/security/advisories/GHSA-j4r3-hg7j-8chgx-refsource-confirm
- https://github.com/uhop/node-re2/issues/272x-refsource-misc
- https://github.com/uhop/node-re2/commit/9d72042a6a0da5bc523908b04808ea0e23867cc4x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.