|Adobe Acrobat Reader Plugin before 8.0.0, and possibly the plugin
distributed with Adobe Reader 7.x before 7.1.4, 8.x before 8.1.7, and
9.x before 9.2, when used with Internet Explorer, Google Chrome, or
Opera, allows remote attackers to cause a denial of service (memory
consumption) via a long sequence of # (hash) characters appended to a
PDF URL, related to a "cross-site scripting issue."