This indicates an attack attempt against a Memory Corruption vulnerability in Adobe Digital Editions.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted epub file. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted epub file.
Adobe Digital Editions 4.5.4 and earlier versions
System Compromise: Remote attackers can gain control of vulnerable systems.
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