The t2p_read_tiff_init function in tiff2pdf (tools/tiff2pdf.c) in
LibTIFF 4.0.2 and earlier does not properly initialize the T2P context
struct pointer in certain error conditions, which allows
context-dependent attackers to cause a denial of service (crash) and
possibly execute arbitrary code via a crafted TIFF image that triggers
a heap-based buffer overflow.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20120719 Re: tiff2pdf: Heap-based buffer overflow due to improper initialization of T2P context struct pointer
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