Heap-based buffer overflow in the readContigStripsIntoBuffer function in tif_unix.c in LibTIFF 4.0.7 3.9.3 3.9.4 3.9.5 3.9.6 3.9.7 4.0.0alpha4 4.0.0alpha5 4.0.0alpha6 4.0.0beta7 4.0.0 4.0.1 4.0.2 4.0.3 4.0.4 4.0.4beta 4.0.5 and 4.0.6 allows remote attackers to have unspecified impact via a crafted image.