The UTF-8 decoder in codecs/qutfcodec.cpp in Qt 3.3.8 and 4.2.3 does not reject long UTF-8 sequences as required by the standard, which allows remote attackers to conduct cross-site scripting (XSS) and directory traversal attacks via long sequences that decode to dangerous metacharacters.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11510
https://issues.rpath.com/browse/RPL-1202
https://exchange.xforce.ibmcloud.com/vulnerabilities/33397
http://www.vupen.com/english/advisories/2007/1212
http://www.ubuntu.com/usn/usn-452-1
http://www.trolltech.com/company/newsroom/announcements/press.2007-03-30.9172215350
http://www.securityfocus.com/bid/23269
http://www.redhat.com/support/errata/RHSA-2007-0909.html
http://www.redhat.com/support/errata/RHSA-2007-0883.html
http://www.novell.com/linux/security/advisories/2007_6_sr.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:076
http://www.mandriva.com/security/advisories?name=MDKSA-2007:075
http://www.mandriva.com/security/advisories?name=MDKSA-2007:074
http://www.debian.org/security/2007/dsa-1292
http://support.novell.com/techcenter/psdb/fc79b7f48d739f9c803a24ddad933384.html
http://support.novell.com/techcenter/psdb/39ea4b325a7da742cb8b6995fa585b14.html
http://support.avaya.com/elmodocs2/security/ASA-2007-424.htm
http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.348591
http://secunia.com/advisories/46117
http://secunia.com/advisories/27275
http://secunia.com/advisories/27108
http://secunia.com/advisories/26857
http://secunia.com/advisories/26804
http://secunia.com/advisories/25263
http://secunia.com/advisories/24889
http://secunia.com/advisories/24847
http://secunia.com/advisories/24797
http://secunia.com/advisories/24759
http://secunia.com/advisories/24727
http://secunia.com/advisories/24726
http://secunia.com/advisories/24705
http://secunia.com/advisories/24699