LibTIFF in Red Hat Enterprise Linux (RHEL) 3 on x86_64 platforms, as used in tiff2rgba, attempts to process image data even when the required compression functionality is not configured, which allows remote attackers to cause a denial of service via a crafted TIFF image, related to "downsampled OJPEG input."
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.