{"id":"CVE-2011-2393","aliases":["EUVD-2011-2382","GHSA-27vf-8fw5-36p7","UBUNTU-CVE-2011-2393"],"status":"published","title":"The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and...","description":"The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.","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":"2026-11-06","score":0.01905,"percentile":0.79817,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2012-02-02T17:00:00Z","modified":"2026-06-16T23:31:14Z","products":[{"vendor":"freebsd","product":"freebsd"},{"vendor":"netbsd","product":"netbsd"}],"references":[{"url":"http://www.mh-sec.de/downloads/mh-RA_flooding_CVE-2010-multiple.txt","tags":["x_refsource_MISC","x_transferred","report"]},{"url":"http://seclists.org/fulldisclosure/2011/Apr/86","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2393"},{"url":"https://github.com/advisories/GHSA-27vf-8fw5-36p7"},{"url":"https://ubuntu.com/security/CVE-2011-2393","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2393","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2011-2393","description":"The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.","status":"published","published":"2012-02-02T17:00:00Z","modified":"2024-09-16T20:32:12.106Z","updated_at":"2026-11-02T14:35:36.603688Z"}],"euvd":[{"id":"EUVD-2011-2382","description":"The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.","status":"published","published":"2012-02-02T17:00:00Z","modified":"2024-09-16T20:32:12Z","updated_at":"2026-11-03T00:55:13.041098Z"}],"ghsa":[{"id":"GHSA-27vf-8fw5-36p7","title":"The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and...","description":"The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.","status":"published","published":"2022-05-17T05:34:46Z","modified":"2023-01-28T05:04:30Z","updated_at":"2026-11-02T14:44:10.891174Z"}],"nvd":[{"id":"CVE-2011-2393","description":"The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.","status":"published","published":"2012-02-02T17:55:00.91Z","modified":"2026-06-16T23:31:14.887Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:12.272092Z"}],"osv":[{"id":"UBUNTU-CVE-2011-2393","description":"The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.","status":"withdrawn","published":"2012-02-02T17:55:00Z","modified":"2025-07-16T07:17:00.246893Z","updated_at":"2026-11-02T15:54:06.395274Z"}]}}