{
  "modified": "2025-08-09T19:01:26Z",
  "published": "2012-03-15T10:55:01Z",
  "id": "CVE-2011-4939",
  "details": "The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by changing a nickname while in an XMPP chat room.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://pidgin.im/news/security/?id=60"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:029"
    },
    {
      "type": "WEB",
      "url": "http://developer.pidgin.im/ticket/14392"
    },
    {
      "type": "WEB",
      "url": "http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c"
    },
    {
      "type": "WEB",
      "url": "http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699"
    },
    {
      "type": "WEB",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406"
    }
  ]
}