Mozilla Firefox 33.0 and SeaMonkey before 2.31 include path strings in CSP violation reports, which allows remote attackers to obtain sensitive information via a web site that receives a report after a redirect.
https://security.gentoo.org/glsa/201504-01
https://bugzilla.mozilla.org/show_bug.cgi?id=1069762
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.mozilla.org/security/announce/2014/mfsa2014-86.html