libtiff: Missing return value check in ppm2tiff leading to heap-buffer overflow when reading a tiff file

ppm2tiff does not check the return value of the TIFFScanlineSize function, which allows remote attackers to cause a denial of service crash and possibly execute arbitrary code via a crafted PPM image that triggers an integer overflow, a zero-memory allocation, and a heap-based buffer overflow...

CVE-2012-4564

ppm2tiff does not check the return value of the TIFFScanlineSize function, which allows remote attackers to cause a denial of service crash and possibly execute arbitrary code via a crafted PPM image that triggers an integer overflow, a zero-memory allocation, and a heap-based buffer overflow...