CVE-2026-33672 is a medium-severity vulnerability in the JavaScript glob-matching library Picomatch, disclosed in late March 2026 and tracked by Microsoft’s Security Update Guide, that can let crafted POSIX character-class patterns produce incorrect filename matches in affected application...
Picomatch’s ReDoS flaw is a reminder that small parsing bugs can become big availability problems
A new CVE-2026-33671 advisory is drawing attention to a familiar but still dangerous class of bug: regular expression denial of service, or ReDoS, in the JavaScript glob matcher Picomatch. The issue...