macOS Kernel 10.12.3 (16D32) - Use-After-Free Due to Double-Release in posix_spawn Exploit

Exploit for multiple platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1104 exechandleportactions is responsible for handling the xnu port actions extension to posixspawn. It supports 4 different types of port PSPASPECIAL, PSPAEXCEPTION,...