libtiff: Invalid-write in _TIFFVGetField() when parsing some extension tags

The TIFFVGetField function in tifdir.c in libtiff 4.0.6 allows attackers to cause a denial of service invalid memory write and crash or possibly have unspecified other impact via crafted field data in an extension tag in a TIFF image...

libtiff: Invalid-write in _TIFFVGetField() when parsing some extension tags

The TIFFVGetField function in tifdir.c in libtiff 4.0.6 allows attackers to cause a denial of service invalid memory write and crash or possibly have unspecified other impact via crafted field data in an extension tag in a TIFF image...