This indicates an attack attempt against a Memory Corruption vulnerability in Xpdf Pdftops and Pdftohtml.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted PDF file. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted PDF file.
Xpdf version 3.04
System Compromise: Remote attackers could gain control of vulnerable systems.
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