The Old Charts implementation in Bugzilla 2.12 through 3.2.8, 3.4.8, 3.6.2, 3.7.3, and 4.1 creates graph files with predictable names in graphs/, which allows remote attackers to obtain sensitive information via a modified URL.
https://exchange.xforce.ibmcloud.com/vulnerabilities/62969
http://www.vupen.com/english/advisories/2010/2975
http://www.vupen.com/english/advisories/2010/2878
http://www.securitytracker.com/id?1024683
http://www.bugzilla.org/security/3.2.8/
http://secunia.com/advisories/42271
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050830.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050820.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050813.html