Known bugs in libpng version 1.2.2beta2 1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when reading interlaced PNG files, when assembler code is enabled. STATUS: Under investigation. The change to pnggccrd.c in libpng-1.2.1 fixed a problem under FreeBSD but not the problem with NetBSD.