CVE-2009-3083

The msn_slp_sip_recv function in libpurple/protocols/msn/slp.c in the MSN protocol plugin in libpurple in Pidgin before 2.6.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an SLP invite message that lacks certain required fields, as demonstrated by a malformed message from a KMess client.

• CWE-119

• http://developer.pidgin.im/ticket/10159Patch, Vendor Advisory
• http://developer.pidgin.im/viewmtn/revision/diff/6d3fc30a0a0a379281efc5a6872a9c1d7c24c650/with/b4a95ea62b81a06ffc1993912471c511b786efdd/libpurple/protocols/msn/slp.cPatch, Vendor Advisory
• http://developer.pidgin.im/viewmtn/revision/info/b4a95ea62b81a06ffc1993912471c511b786efddPatch, Vendor Advisory
• http://secunia.com/advisories/36601Vendor Advisory
• http://www.pidgin.im/news/security/index.php?id=39Patch, Vendor Advisory
• http://www.securityfocus.com/bid/36277
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11852
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6322
• http://developer.pidgin.im/ticket/10159Patch, Vendor Advisory
• http://developer.pidgin.im/viewmtn/revision/diff/6d3fc30a0a0a379281efc5a6872a9c1d7c24c650/with/b4a95ea62b81a06ffc1993912471c511b786efdd/libpurple/protocols/msn/slp.cPatch, Vendor Advisory
• http://developer.pidgin.im/viewmtn/revision/info/b4a95ea62b81a06ffc1993912471c511b786efddPatch, Vendor Advisory
• http://secunia.com/advisories/36601Vendor Advisory
• http://www.pidgin.im/news/security/index.php?id=39Patch, Vendor Advisory
• http://www.securityfocus.com/bid/36277
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11852
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6322

Published

Sep 8, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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