Adobe Digital Editions versions 4.5.3 and earlier have an exploitable buffer over-read vulnerability. Successful exploitation could lead to information disclosure.
CWE-125 - Out-of-Bounds Read
Out-of-bounds read is a vulnerability that allows access to memory beyond the authorized accessible location. Such a vulnerability compromises the confidentiality of the trusted environment in the application and enables an attacker to launch further attacks by leveraging the exposed information.