📄 macOS Sonoma 14.5 Denial of Service

macOS Sonoma version 14.5 has a vulnerability in the AV1Syntax::ParseHeader function that can allow for a kernel crash. ============================================================================================================================================= | Title : macOS Sonoma 14.5 potenti...

Simple macOS kernel extension fuzzing in userspace with IDA and TinyInst

Posted by Ivan Fratric, Google Project Zero Recently, one of the projects I was involved in had to do with video decoding on Apple platforms, specifically AV1 decoding. On Apple devices that support AV1 video format starting from Apple A17 iOS / M3 macOS, decoding is done in hardware. However,...