{"id":"CVE-2011-3380","aliases":["EUVD-2011-3343","GHSA-57qx-7wcp-85w9","RHSA-2011:1356"],"status":"published","title":"Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer...","description":"Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.","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":"2026-11-07","score":0.02273,"percentile":0.83184,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2011-11-17T19:00:00Z","modified":"2026-06-26T10:16:56Z","fixes":[{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"openswan","fixed_in":["0:2.6.32-4.el6_1.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"openswan-debuginfo","fixed_in":["0:2.6.32-4.el6_1.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"openswan-doc","fixed_in":["0:2.6.32-4.el6_1.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"openswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.32-4.el6_1.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"openswan-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.32-4.el6_1.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"openswan-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.32-4.el6_1.2"}]}]}],"products":[{"vendor":"xelerance","product":"openswan"}],"references":[{"url":"http://www.openswan.org/download/CVE-2011-3380/CVE-2011-3380.txt","tags":["x_refsource_CONFIRM","x_transferred","Patch","article"]},{"url":"http://secunia.com/advisories/46306","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.redhat.com/support/errata/RHSA-2011-1356.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3380","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-57qx-7wcp-85w9"},{"url":"https://access.redhat.com/errata/RHSA-2011:1356","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=742065","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_1356.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-3380","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-3380","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-3380","description":"Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.","status":"published","published":"2011-11-17T19:00:00Z","modified":"2024-08-06T23:29:56.695Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3343","description":"Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.","status":"published","published":"2011-11-17T19:00:00Z","modified":"2024-08-06T23:29:56Z","updated_at":"2026-11-03T01:39:52.044449Z"}],"ghsa":[{"id":"GHSA-57qx-7wcp-85w9","title":"Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer...","description":"Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.","status":"published","published":"2022-05-14T00:55:33Z","modified":"2023-02-02T05:02:45Z","updated_at":"2026-11-02T14:51:30.378864Z"}],"nvd":[{"id":"CVE-2011-3380","description":"Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.","status":"published","published":"2011-11-17T19:55:01.127Z","modified":"2026-06-16T23:33:11.437Z","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":"2026-11-02T14:02:10.769216Z"}],"osv":[{"id":"RHSA-2011:1356","title":"Red Hat Security Advisory: openswan security update","status":"published","published":"2024-09-15T19:31:23Z","modified":"2026-06-26T10:16:56Z","updated_at":"2026-11-02T15:53:01.003286Z"}]}}