The SASL negotiation in Jabber Studio jabberd before 2.0s11 allows remote attackers to cause a denial of service (“c2s segfault”) by sending a “response stanza before an auth stanza”.
article.gmane.org/gmane.network.jabber.admin/27372
lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
secunia.com/advisories/19281
support.apple.com/kb/HT4077
www.redhat.com/support/errata/RHSA-2008-0261.html
www.securityfocus.com/bid/17155
www.vupen.com/english/advisories/2006/1009
exchange.xforce.ibmcloud.com/vulnerabilities/25334