OS X Regex Engine (TRE) - Integer Signedness and Overflow Issues Vulnerability

Exploit for macOS platform in category dos / poc Source: https://code.google.com/p/google-security-research/issues/detail?id=429 The OS X regex engine function tretnfarunparallel contains the following code: int tbytes; ... if !matchtags numtags = 0; else numtags = tnfa-numtags; ... int rbytes,...