CVE-2026-67550

node-re2: re2 provides Node.js bindings for Google's RE2 regular expression engine

CVE-2026-67550 is fixed in node-re2 on 1 platform by DEBIAN-CVE-2026-67550 (version 1.26.1+~cs1.7.0-1), released August 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.7
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0016
5th percentile

re2 provides Node.js bindings for Google's RE2 regular expression engine. Prior to 1.25.2, re2 validates lastIndex against the UTF-8 byte length of a subject but uses it as a UTF-16 code-unit offset in exec, test, match, replace, and split, allowing an attacker-influenced lastIndex on a non-ASCII subject to trigger an out-of-bounds heap read and an uncatchable process crash, with limited heap information disclosure in some cases. This issue is fixed in 1.25.2.

Where it's fixed

ProductFixed inFixReleased
Linux
node-re2 · Debian 14 1.26.1+~cs1.7.0-1 DEBIAN-CVE-2026-67550 Aug 15, 2026

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