Oops Safari, I think You Spilled Something!
Exodus Intelligence disclosed CVE-2024-44308, a use-of-uninitialized-variable vulnerability in WebKit's DFG compiler affecting Safari on macOS and iOS. The bug exists in TypedArray index storage code and was patched by Apple in November 2024; when alive, it enabled renderer RCE when chained with PAC and APRR bypasses on Apple Silicon. This writeup provides detailed technical analysis of the DFG IR, root-cause debugging, and exploitation methodology for achieving arbitrary read/write through stack layout control.