LadybirdBrowser Ladybird

• CVE-2026-119332 High 8.8 Ladybird: FinalizationRegistry::cleanup() heap use-after-free via reentrant unregister() 0.2%
• CVE-2026-119331 High 7.1 Ladybird: Missing origin-clean enforcement in CSSStyleSheet allows cross-origin CSS read and mutation 0.2%
• CVE-2026-58592 High 8.3 Ladybird - Web-Reachable Code Execution via Dangling FunctionType Reference in WebAssembly ESM Integration 0.5%