Search.pm in Bugzilla 2.17.1 through 3.2.6, 3.3.1 through 3.4.6, 3.5.1 through 3.6, and 3.7 allows remote attackers to obtain potentially sensitive time-tracking information via a crafted search URL, related to a "boolean chart search."
https://bugzilla.mozilla.org/show_bug.cgi?id=309952
http://www.vupen.com/english/advisories/2010/1595
http://www.securityfocus.com/bid/41141