Updated libpng12 package fixes security vulnerability

The pngdoexpandpalette function in libpng before 1.6.8 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via a PLTE chunk of zero bytes or a NULL palette, related to pngrtran.c and pngset.c CVE-2013-6954...

CVE-2013-6954

The pngdoexpandpalette function in libpng before 1.6.8 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via 1 a PLTE chunk of zero bytes or 2 a NULL palette, related to pngrtran.c and pngset.c...

CVE-2013-6954

The pngdoexpandpalette function in libpng before 1.6.8 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via 1 a PLTE chunk of zero bytes or 2 a NULL palette, related to pngrtran.c and pngset.c...