https://shopify.engineering/yjit-just-in-time-compiler-cruby
YJIT: Building a New JIT Compiler for CRuby - Shopify
A team of skilled engineers from Shopify and GitHub on YJIT, a new Just-in-time (JIT) compiler built inside CRuby.
building ayjitnewcompilercruby
https://cvefeed.io/vuln/detail/CVE-2011-4815
CVE-2011-4815 - Ruby CRuby Hash Collision DOS
Apr 29, 2026 - Ruby (aka CRuby) before 1.8.7-p357 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent...
cverubyhashcollisiondos