There is an invalid memory access in the function fprintf located in Error.cc in Xpdf 4.0.2. It can be triggered by sending a crafted PDF file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.
The product writes data past the end, or before the beginning, of the intended buffer.
Link | Tags |
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https://forum.xpdfreader.com/viewtopic.php?f=3&t=42029 | exploit vendor advisory |