{"id":"CVE-2007-3436","aliases":["EUVD-2007-3421","GHSA-hx3p-mvcq-8g8m"],"status":"published","title":"Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service ...","description":"Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service (resource consumption) via a flood of SIP INVITE requests to the port specified for voice conversation.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.12656,"percentile":0.9628,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-06-27T00:00:00Z","modified":"2026-06-16T22:42:02Z","products":[{"vendor":"microsoft","product":"msn_messenger"}],"references":[{"url":"http://osvdb.org/45427","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.sipera.com/index.php?action=resources%2Cthreat_advisory\u0026tid=292\u0026","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35064","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3436"},{"url":"http://www.sipera.com/index.php?action=resources,threat_advisory\u0026tid=292\u0026"},{"url":"https://github.com/advisories/GHSA-hx3p-mvcq-8g8m"}],"sources":{"cve":[{"id":"CVE-2007-3436","description":"Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service (resource consumption) via a flood of SIP INVITE requests to the port specified for voice conversation.","status":"published","published":"2007-06-27T00:00:00Z","modified":"2024-08-07T14:14:13.247Z","updated_at":"2026-11-02T13:32:45.563938Z"}],"euvd":[{"id":"EUVD-2007-3421","description":"Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service (resource consumption) via a flood of SIP INVITE requests to the port specified for voice conversation.","status":"published","published":"2007-06-27T00:00:00Z","modified":"2024-08-07T14:14:13Z","updated_at":"2026-11-03T01:38:16.457766Z"}],"ghsa":[{"id":"GHSA-hx3p-mvcq-8g8m","title":"Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service ...","description":"Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service (resource consumption) via a flood of SIP INVITE requests to the port specified for voice conversation.","status":"published","published":"2022-05-01T18:13:46Z","modified":"2025-04-09T03:44:17Z","updated_at":"2026-11-02T15:00:54.343663Z"}],"nvd":[{"id":"CVE-2007-3436","description":"Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service (resource consumption) via a flood of SIP INVITE requests to the port specified for voice conversation.","status":"published","published":"2007-06-27T00:30:00Z","modified":"2026-06-16T22:42:02.247Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:17.002124Z"}]}}