Integer overflow in tools/bmp2tiff.c in LibTIFF before 4.0.4 allows remote attackers to cause a denial of service (heap-based buffer over-read), or possibly obtain sensitive information from process memory, via crafted width and length values in RLE4 or RLE8 data in a BMP file. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8870
