Sebastian Koerner

Prio is not 1 but very low. I failed to set it correctly.

Race-Condition on Install

This looks like a very late effect after a heap corruption. It is an issue that appears when reading custom TIFF fields. During libTIFF's clear field operations a pointer in a custom tag section is about to be free()'s that has already been freed. For me the patch of https://sourceforge.net/p/freeimage/patches/152/ fixes the issue for libtiff 4.2-4.4.