The International Domain Name (IDN) support in Konqueror 3.2.1 on KDE 3.2.1 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph characters from other character sets, which facilitates phishing attacks.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10671
https://exchange.xforce.ibmcloud.com/vulnerabilities/19236
http://www.shmoo.com/idn/homograph.txt
http://www.securityfocus.com/bid/12461
http://www.securityfocus.com/archive/1/427976/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2005-325.html
http://www.mandriva.com/security/advisories?name=MDKSA-2005:058
http://www.kde.org/info/security/advisory-20050316-2.txt
http://secunia.com/advisories/14162
http://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031460.html