{"id":"CVE-2007-0479","aliases":["EUVD-2007-0477","GHSA-9pm4-f935-f747"],"status":"published","title":"Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to...","description":"Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to cause a denial of service by sending crafted TCP traffic to an IPv4 address on the IOS device.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04505,"percentile":0.91569,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-01-25T00:00:00Z","modified":"2026-06-16T22:35:39Z","products":[{"vendor":"cisco","product":"ios_transmission_control_protocol"}],"references":[{"url":"http://www.kb.cert.org/vuls/id/217912","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/31716","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/23867","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/bid/22208","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://osvdb.org/32093","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5080","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://securitytracker.com/id?1017551","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA07-024A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://www.vupen.com/english/advisories/2007/0329","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a00807cb0e4.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-0479"},{"url":"https://github.com/advisories/GHSA-9pm4-f935-f747"}],"sources":{"cve":[{"id":"CVE-2007-0479","description":"Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to cause a denial of service by sending crafted TCP traffic to an IPv4 address on the IOS device.","status":"published","published":"2007-01-25T00:00:00Z","modified":"2024-08-07T12:19:30.167Z","updated_at":"2026-11-02T13:34:03.879328Z"}],"euvd":[{"id":"EUVD-2007-0477","description":"Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to cause a denial of service by sending crafted TCP traffic to an IPv4 address on the IOS device.","status":"published","published":"2007-01-25T00:00:00Z","modified":"2024-08-07T12:19:30Z","updated_at":"2026-11-03T01:38:30.186176Z"}],"ghsa":[{"id":"GHSA-9pm4-f935-f747","title":"Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to...","description":"Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to cause a denial of service by sending crafted TCP traffic to an IPv4 address on the IOS device.","status":"published","published":"2022-05-01T17:44:43Z","modified":"2023-01-31T05:03:10Z","updated_at":"2026-11-02T14:48:25.047764Z"}],"nvd":[{"id":"CVE-2007-0479","description":"Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to cause a denial of service by sending crafted TCP traffic to an IPv4 address on the IOS device.","status":"published","published":"2007-01-25T00:28:00Z","modified":"2026-06-16T22:35:39.487Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:11.752648Z"}]}}