International Components for Unicode (ICU) 4.0, 3.6, and other 3.x versions, as used in Apple Mac OS X 10.5 before 10.5.7, iPhone OS 1.0 through 2.2.1, iPhone OS for iPod touch 1.1 through 2.2.1, Fedora 9 and 10, and possibly other operating systems, does not properly handle invalid byte sequences during Unicode conversion, which might allow remote attackers to conduct cross-site scripting (XSS) attacks.
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00478.html
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00336.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11366
https://exchange.xforce.ibmcloud.com/vulnerabilities/50488
https://bugzilla.redhat.com/show_bug.cgi?id=503071
http://www.vupen.com/english/advisories/2009/1621
http://www.vupen.com/english/advisories/2009/1522
http://www.vupen.com/english/advisories/2009/1297
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
http://www.securityfocus.com/bid/34974
http://www.securityfocus.com/bid/34926
http://www.redhat.com/support/errata/RHSA-2009-1122.html
http://support.apple.com/kb/HT3639
http://support.apple.com/kb/HT3613
http://support.apple.com/kb/HT3549
http://secunia.com/advisories/35584
http://secunia.com/advisories/35498
http://secunia.com/advisories/35436
http://secunia.com/advisories/35379
http://secunia.com/advisories/35074
http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html