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.
bugs.icu-project.org/trac/ticket/5691
lists.apple.com/archives/security-announce/2009/jun/msg00002.html
lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
lists.apple.com/archives/security-announce/2009/May/msg00002.html
secunia.com/advisories/35074
secunia.com/advisories/35379
secunia.com/advisories/35436
secunia.com/advisories/35498
secunia.com/advisories/35584
support.apple.com/kb/HT3549
support.apple.com/kb/HT3613
support.apple.com/kb/HT3639
www.redhat.com/support/errata/RHSA-2009-1122.html
www.securityfocus.com/bid/34926
www.securityfocus.com/bid/34974
www.us-cert.gov/cas/techalerts/TA09-133A.html
www.vupen.com/english/advisories/2009/1297
www.vupen.com/english/advisories/2009/1522
www.vupen.com/english/advisories/2009/1621
bugzilla.redhat.com/show_bug.cgi?id=503071
exchange.xforce.ibmcloud.com/vulnerabilities/50488
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11366
www.redhat.com/archives/fedora-package-announce/2009-June/msg00336.html
www.redhat.com/archives/fedora-package-announce/2009-June/msg00478.html