{"id":"CVE-2011-1604","aliases":["EUVD-2011-1604","GHSA-fhvf-2vjr-3jh6"],"status":"published","title":"Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6...","description":"Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02508,"percentile":0.84863,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2011-05-03T22:00:00Z","modified":"2026-06-16T23:29:43Z","products":[{"vendor":"cisco","product":"unified_communications_manager"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67122","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/44331","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2011-05/0051.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://www.securitytracker.com/id?1025449","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/47609","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2011/1122","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b79904.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1604"},{"url":"https://github.com/advisories/GHSA-fhvf-2vjr-3jh6"}],"sources":{"cve":[{"id":"CVE-2011-1604","description":"Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.","status":"published","published":"2011-05-03T22:00:00Z","modified":"2024-08-06T22:37:24.58Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1604","description":"Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.","status":"published","published":"2011-05-03T22:00:00Z","modified":"2024-08-06T22:37:24Z","updated_at":"2026-11-03T01:55:55.718493Z"}],"ghsa":[{"id":"GHSA-fhvf-2vjr-3jh6","title":"Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6...","description":"Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.","status":"published","published":"2022-05-17T02:00:23Z","modified":"2023-02-03T05:06:53Z","updated_at":"2026-11-02T14:53:57.460736Z"}],"nvd":[{"id":"CVE-2011-1604","description":"Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.","status":"published","published":"2011-05-03T22:55:02.357Z","modified":"2026-06-16T23:29:43.007Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}