PT-2026-66605 · Re2 · Re2

CVE-2026-68499

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Published

2026-07-30

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Updated

2026-07-31

CVSS v3.1

6.2

Medium

VectorAV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions re2 versions prior to 1.25.2
Description The String.prototype.match implementation fails to advance its native matching cursor in lib/match.cc when using a global RE2 pattern that can match an empty string. This behavior results in an infinite loop and unbounded native memory growth, which blocks the event loop and can lead to the exhaustion of host memory.
Recommendations Update to version 1.25.2.

Exploit

Fix

Infinite Loop

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Weakness Enumeration

Related Identifiers

CVE-2026-68499
GHSA-6HXR-MR5R-9836

Affected Products

Re2