{"id":"CVE-2016-10396","aliases":["DEBIAN-CVE-2016-10396","DLA-1044-1","EUVD-2016-1578","GHSA-575v-phrx-cjcp","SUSE-SU-2018:0423-1","SUSE-SU-2018:0424-1","UBUNTU-CVE-2016-10396"],"status":"published","title":"The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity...","description":"The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when parsing and storing ISAKMP fragments. The implementation permits a remote attacker to exhaust computational resources on the remote endpoint by repeatedly sending ISAKMP fragment packets in a particular order such that the worst-case computational complexity is realized in the algorithm utilized to determine if reassembly of the fragments can take place.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02928,"percentile":0.87151,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-407"],"published":"2017-07-05T00:00:00Z","modified":"2026-06-17T00:39:35Z","fixes":[{"ecosystem":"Debian:7","package":"ipsec-tools","fixed_in":["1:0.8.0-14+deb7u2"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 11 SP4","package":"ipsec-tools","fixed_in":["0.7.3-1.38.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 11 SP4","package":"ipsec-tools","fixed_in":["0.7.3-1.38.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2","package":"ipsec-tools","fixed_in":["0.8.0-19.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP2","package":"ipsec-tools","fixed_in":["0.8.0-19.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"ipsec-tools","fixed_in":["0.8.0-19.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"ipsec-tools","fixed_in":["0.8.0-19.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"ipsec-tools","fixed_in":["0.8.0-19.3.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"ipsec-tools","fixed_in":["1:0.8.2+20140711-10"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:7","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.8.0-14+deb7u2"}]}],"versions":["1:0.8.0-14","1:0.8.0-14+deb7u1"]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP4","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.3-1.38.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 11 SP4","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.3-1.38.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0-19.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0-19.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0-19.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0-19.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0-19.3.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.2+20140711-4","1:0.8.2+20140711-5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ipsec-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.8.2+20140711-10"}]}]}],"products":[{"vendor":"ipsec-tools","product":"ipsec-tools"}],"references":[{"url":"http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/isakmp_frag.c.diff?r1=1.5\u0026r2=1.5.36.1","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Third Party Advisory","report"]},{"url":"https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=51682","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Third Party Advisory","report"]},{"url":"http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/isakmp_frag.c?only_with_tag=MAIN","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-10396"},{"url":"https://github.com/advisories/GHSA-575v-phrx-cjcp"},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180423-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1047443","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10396","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180424-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-10396","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3482-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-10396","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-10396","description":"The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when parsing and storing ISAKMP fragments. The implementation permits a remote attacker to exhaust computational resources on the remote endpoint by repeatedly sending ISAKMP fragment packets in a particular order such that the worst-case computational complexity is realized in the algorithm utilized to determine if reassembly of the fragments can take place.","status":"published","published":"2017-07-06T01:00:00Z","modified":"2024-09-16T19:10:23.776Z","updated_at":"2026-11-02T14:33:31.117878Z"}],"euvd":[{"id":"EUVD-2016-1578","description":"The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when parsing and storing ISAKMP fragments. The implementation permits a remote attacker to exhaust computational resources on the remote endpoint by repeatedly sending ISAKMP fragment packets in a particular order such that the worst-case computational complexity is realized in the algorithm utilized to determine if reassembly of the fragments can take place.","status":"published","published":"2017-07-06T01:00:00Z","modified":"2024-09-16T19:10:23Z","updated_at":"2026-11-03T00:55:25.778976Z"}],"ghsa":[{"id":"GHSA-575v-phrx-cjcp","title":"The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity...","description":"The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when parsing and storing ISAKMP fragments. The implementation permits a remote attacker to exhaust computational resources on the remote endpoint by repeatedly sending ISAKMP fragment packets in a particular order such that the worst-case computational complexity is realized in the algorithm utilized to determine if reassembly of the fragments can take place.","status":"published","published":"2022-05-17T02:24:48Z","modified":"2023-01-27T05:04:35Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T14:42:29.964757Z"}],"nvd":[{"id":"CVE-2016-10396","description":"The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when parsing and storing ISAKMP fragments. The implementation permits a remote attacker to exhaust computational resources on the remote endpoint by repeatedly sending ISAKMP fragment packets in a particular order such that the worst-case computational complexity is realized in the algorithm utilized to determine if reassembly of the fragments can take place.","status":"published","published":"2017-07-06T01:29:00.177Z","modified":"2026-06-17T00:39:35.803Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"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-407"],"updated_at":"2026-11-02T14:03:38.290327Z"}],"osv":[{"id":"UBUNTU-CVE-2016-10396","description":"The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when parsing and storing ISAKMP fragments. The implementation permits a remote attacker to exhaust computational resources on the remote endpoint by repeatedly sending ISAKMP fragment packets in a particular order such that the worst-case computational complexity is realized in the algorithm utilized to determine if reassembly of the fragments can take place.","status":"published","published":"2017-07-05T00:00:00Z","modified":"2026-02-04T02:14:35.796421Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:11.492576Z"},{"id":"DLA-1044-1","title":"ipsec-tools - security update","status":"published","published":"2017-07-29T00:00:00Z","modified":"2026-03-09T01:01:44.814099Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"SUSE-SU-2018:0423-1","title":"Security update for ipsec-tools","description":"This update for ipsec-tools fixes one issue.\n\nThis security issue was fixed:\n\n- CVE-2016-10396: The racoon daemon contained a remotely exploitable\n  computational-complexity attack when parsing and storing ISAKMP fragments that\n  allowed a remote attacker to exhaust computational resources on the remote\n  endpoint by repeatedly sending ISAKMP fragment packets in a particular order\n  (bsc#1047443).\n","status":"published","published":"2018-02-12T07:47:34Z","modified":"2026-02-04T02:34:44.786884Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:0424-1","title":"Security update for ipsec-tools","description":"This update for ipsec-tools fixes one issue.\n\nThis security issue was fixed:\n\n- CVE-2016-10396: The racoon daemon contained a remotely exploitable\n  computational-complexity attack when parsing and storing ISAKMP fragments that\n  allowed a remote attacker to exhaust computational resources on the remote\n  endpoint by repeatedly sending ISAKMP fragment packets in a particular order\n  (bsc#1047443).\n","status":"published","published":"2018-02-12T07:46:22Z","modified":"2025-05-02T04:05:05.64193Z","updated_at":"2026-11-02T15:53:44.594517Z"}]}}