Gentoo Linux Security Advisory GLSA 200711-08 - An off-by-one error when handling ICC profile chunks in the png_set_iCCP() function was discovered. George Cook and Jeff Phillips reported several errors in pngrtran.c, the use of logical instead of a bitwise functions and incorrect comparisons. Tavis Ormandy reported out-of-bounds read errors in several PNG chunk handling functions. Versions less than 1.2.21-r3 are affected.
d69eab70f1eed07c06dddfddec2d2a89e5accf81afc417284e481013a4068d2f