{"id":"CVE-2015-3204","aliases":["EUVD-2015-3270","GHSA-52gh-6xp3-9wpf","RHSA-2015:1154"],"status":"published","title":"libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart)...","description":"libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.","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":"2026-11-08","score":0.02598,"percentile":0.85442,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2015-07-01T14:00:00Z","modified":"2026-06-26T10:27:29Z","fixes":[{"ecosystem":"Red Hat:enterprise_linux:7::client","package":"libreswan","fixed_in":["0:3.12-10.1.el7_1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::client","package":"libreswan-debuginfo","fixed_in":["0:3.12-10.1.el7_1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::server","package":"libreswan","fixed_in":["0:3.12-10.1.ael7b_1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::server","package":"libreswan-debuginfo","fixed_in":["0:3.12-10.1.ael7b_1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libreswan","fixed_in":["0:3.12-10.1.el7_1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libreswan-debuginfo","fixed_in":["0:3.12-10.1.el7_1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"libreswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12-10.1.el7_1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"libreswan-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12-10.1.el7_1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"libreswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12-10.1.ael7b_1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"libreswan-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12-10.1.ael7b_1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libreswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12-10.1.el7_1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libreswan-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.12-10.1.el7_1"}]}]}],"products":[{"vendor":"libreswan","product":"libreswan"}],"references":[{"url":"https://libreswan.org/security/CVE-2015-3204/CVE-2015-3204.txt","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","article"]},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1154.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://security.gentoo.org/glsa/201603-13","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://www.securityfocus.com/bid/75392","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3204","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2015:1154","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2015-3204","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1223361","tags":["report"]},{"url":"https://libreswan.org/security/CVE-2015-3204/CVE-2015-3204-libreswan.patch","tags":["article"]},{"url":"https://github.com/advisories/GHSA-52gh-6xp3-9wpf"},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_1154.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-3204","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2015-3204","description":"libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.","status":"published","published":"2015-07-01T14:00:00Z","modified":"2024-08-06T05:39:31.971Z","updated_at":"2026-11-02T14:35:42.331636Z"}],"euvd":[{"id":"EUVD-2015-3270","description":"libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.","status":"published","published":"2015-07-01T14:00:00Z","modified":"2024-08-06T05:39:31Z","updated_at":"2026-11-03T02:22:09.179399Z"}],"ghsa":[{"id":"GHSA-52gh-6xp3-9wpf","title":"libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart)...","description":"libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.","status":"published","published":"2022-05-17T03:33:20Z","modified":"2023-02-02T21:34:00Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:47.993176Z"}],"nvd":[{"id":"CVE-2015-3204","description":"libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.","status":"published","published":"2015-07-01T14:59:08.627Z","modified":"2026-06-17T00:25:32.06Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:05.884985Z"}],"osv":[{"id":"RHSA-2015:1154","title":"Red Hat Security Advisory: libreswan security, bug fix and enhancement update","status":"published","published":"2024-09-15T22:28:20Z","modified":"2026-06-26T10:27:29Z","updated_at":"2026-11-02T15:53:03.182161Z"}]}}