CVE-2026-77299: dlclark regexp2: Regexp2 is a feature-rich RegExp engine for Go

Regexp2 is a feature-rich RegExp engine for Go. Prior to version 2.3.0, when regexp2 compiles and matches a pattern containing a large fixed-count quantifier applied to a zero-width subexpression — e.g. ?:50000000 — the match engine executes the empty loop body m-1 times, pushing two integers ont...