CVE 2010-1204
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."
See the 
CVE page on Mitre.org
for more details.
