The URI handlers in Konqueror for KDE 3.2.2 and earlier do not properly filter "-" characters that begin a hostname in a (1) telnet, (2) rlogin, (3) ssh, or (4) mailto URI, which allows remote attackers to manipulate the options that are passed to the associated programs, possibly to read arbitrary files or execute arbitrary code.
https://exchange.xforce.ibmcloud.com/vulnerabilities/16163
http://www.debian.org/security/2004/dsa-518
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A954
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-0411
http://www.slackware.org/security/viewer.php?l=slackware-security&y=2004&m=slackware-security.362635
http://www.securityfocus.com/bid/10358
http://www.securityfocus.com/archive/1/363225
http://www.securityfocus.com/advisories/6743
http://www.securityfocus.com/advisories/6717
http://www.redhat.com/support/errata/RHSA-2004-222.html
http://www.novell.com/linux/security/advisories/2004_14_kdelibs.html
http://www.kde.org/info/security/advisory-20040517-1.txt
http://www.ciac.org/ciac/bulletins/o-146.shtml
http://secunia.com/advisories/11602
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000843