{
  "modified": "2025-08-09T19:01:28Z",
  "published": "2007-10-01T20:17:00Z",
  "id": "CVE-2007-4996",
  "details": "libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of \"an invalid memory location.\"",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/27010"
    },
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/27088"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.vupen.com/english/advisories/2007/3321"
    },
    {
      "type": "FIX",
      "url": "http://secunia.com/advisories/27010"
    },
    {
      "type": "FIX",
      "url": "http://www.pidgin.im/news/security/?id=23"
    },
    {
      "type": "WEB",
      "url": "http://fedoranews.org/updates/FEDORA-2007-236.shtml"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/archive/1/481402/100/0/threaded"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/25872"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/36884"
    },
    {
      "type": "WEB",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18261"
    }
  ]
}