PDF.js in Mozilla Firefox before 25.0 and Firefox ESR 24.x before 24.1 does not properly handle the appending of an IFRAME element, which allows remote attackers to read arbitrary files or execute arbitrary JavaScript code with chrome privileges by using this element within an embedded PDF object.
https://security.gentoo.org/glsa/201504-01
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19133
https://bugzilla.mozilla.org/show_bug.cgi?id=920515
http://www.mozilla.org/security/announce/2013/mfsa2013-99.html
http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00005.html