Mozilla Firefox and Thunderbird before 1.5.0.4 strip the Unicode Byte-order-Mark (BOM) from a UTF-8 page before the page is passed to the parser, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a BOM sequence in the middle of a dangerous tag such as SCRIPT.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10772
https://exchange.xforce.ibmcloud.com/vulnerabilities/26852
http://www.vupen.com/english/advisories/2009/1522
http://www.vupen.com/english/advisories/2008/2094/references
http://www.vupen.com/english/advisories/2008/0083
http://www.vupen.com/english/advisories/2006/3749
http://www.vupen.com/english/advisories/2006/3748
http://www.vupen.com/english/advisories/2006/2106
http://www.securityfocus.com/bid/18228
http://www.securityfocus.com/archive/1/446658/100/200/threaded
http://www.securityfocus.com/archive/1/446657/100/200/threaded
http://www.securityfocus.com/archive/1/435795/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2006-0611.html
http://www.redhat.com/support/errata/RHSA-2006-0610.html
http://www.redhat.com/support/errata/RHSA-2006-0594.html
http://www.redhat.com/support/errata/RHSA-2006-0578.html
http://www.novell.com/linux/security/advisories/2006_35_mozilla.html
http://www.mozilla.org/security/announce/2006/mfsa2006-42.html
http://www.mandriva.com/security/advisories?name=MDKSA-2006:146
http://www.mandriva.com/security/advisories?name=MDKSA-2006:145
http://www.mandriva.com/security/advisories?name=MDKSA-2006:143
http://www.gentoo.org/security/en/glsa/glsa-200606-21.xml
http://www.gentoo.org/security/en/glsa/glsa-200606-12.xml
http://www.debian.org/security/2006/dsa-1134
http://www.debian.org/security/2006/dsa-1120
http://www.debian.org/security/2006/dsa-1118
http://support.apple.com/kb/HT3613
http://securitytracker.com/id?1016214
http://securitytracker.com/id?1016202
http://secunia.com/advisories/35379
http://secunia.com/advisories/31074
http://secunia.com/advisories/22066
http://secunia.com/advisories/22065
http://secunia.com/advisories/21631
http://secunia.com/advisories/21607
http://secunia.com/advisories/21532
http://secunia.com/advisories/21336
http://secunia.com/advisories/21324
http://secunia.com/advisories/21270
http://secunia.com/advisories/21269
http://secunia.com/advisories/21210
http://secunia.com/advisories/21188
http://secunia.com/advisories/21183
http://secunia.com/advisories/21178
http://secunia.com/advisories/21176
http://secunia.com/advisories/21134
http://secunia.com/advisories/20709
http://secunia.com/advisories/20561
http://secunia.com/advisories/20382
http://secunia.com/advisories/20376
http://rhn.redhat.com/errata/RHSA-2006-0609.html
http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html
http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html