{"id":"CVE-2016-9814","aliases":["DEBIAN-CVE-2016-9814","DLA-1298-1","EUVD-2022-5133","GHSA-r8v4-7vwj-983x","UBUNTU-CVE-2016-9814"],"status":"published","title":"SimpleSAMLphp SAML2 spoof SAML responses","description":"The validateSignature method in the SAML2\\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02413,"percentile":0.84231,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2017-02-16T18:00:00Z","modified":"2026-10-24T10:30:53Z","fixes":[{"ecosystem":"Packagist","package":"simplesamlphp/saml2","fixed_in":["1.10.3","1.8.1","1.9.1","2.3.3"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"simplesamlphp","fixed_in":["1.14.10-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"simplesamlphp","fixed_in":["1.14.10-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.10"},{"fixed":"1.10.3"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"1.9.1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0"},{"fixed":"2.3.3"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"simplesamlphp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.10-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"simplesamlphp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.10-1"}]}],"versions":["1.10.0-1","1.11.0-1","1.12.0-1","1.12.0~rc1-1","1.12.0~rc2-1","1.13.0-1","1.13.1-1","1.13.1-2","1.13.2-1","1.14.0-1","1.14.1-1","1.14.2-1","1.14.2-2","1.14.3-1","1.14.4-1","1.14.5-1","1.14.6-1","1.14.7-1","1.14.8-1","1.14.9-1","1.6.0-1","1.6.1-1","1.6.2-1","1.6.3-1","1.6.3-2","1.6.3-3","1.7.0-1","1.7.0-2","1.8.0-1","1.8.1-1","1.8.2-1","1.9.0-1","1.9.0~rc1-1","1.9.0~rc2-1","1.9.1-1","1.9.2-1"]},{"source":"osv","ecosystem":"Debian:7","package":"simplesamlphp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-1+deb7u3"}]}],"versions":["1.9.2-1","1.9.2-1+deb7u1","1.9.2-1+deb7u2"],"bundled":3},{"source":"osv","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.10"},{"fixed":"1.10.3"}]}],"versions":["v1.10","v1.10.1","v1.10.2"]},{"source":"osv","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1"}]}],"versions":["v0.1.0","v0.1.0-alpha","v0.3.0","v0.4.0","v0.4.1","v0.4.2","v0.5.0","v0.6.0","v0.6.1","v0.6.2","v0.6.3","v0.6.4","v0.7.0","v0.7.1","v0.8.0","v0.8.1","v1.0.0","v1.1.0","v1.2.0","v1.3.0","v1.3.1","v1.3.2","v1.4.0","v1.5.0","v1.5.1","v1.5.2","v1.5.3","v1.5.4","v1.6.0","v1.6.1","v1.7.0","v1.7.1","v1.7.2","v1.8"]},{"source":"osv","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"1.9.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0"},{"fixed":"2.3.3"}]}],"versions":["v2.0.0","v2.0.1","v2.1","v2.2","v2.3","v2.3.1","v2.3.2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"simplesamlphp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.2-1","1.14.0-1","1.14.0-1ubuntu2","1.14.0-1ubuntu2+esm1"]}],"products":[{"vendor":"simplesamlphp","product":"saml2"},{"vendor":"simplesamlphp","product":"simplesamlphp"}],"references":[{"url":"http://www.securityfocus.com/bid/94730","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://simplesamlphp.org/security/201612-01","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2018/03/msg00001.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9814","tags":["advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2016-9814.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-r8v4-7vwj-983x"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-9814","tags":["advisory"]},{"url":"https://github.com/simplesamlphp/simplesamlphp","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2016-9814","tags":["report"]},{"url":"https://github.com/simplesamlphp/saml2/pull/81","tags":["report"]},{"url":"https://github.com/simplesamlphp/saml2/commit/7008b0916426212c1cc2fc238b38ab9ebff0748c","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2016/12/03/5","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-9814","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-9814","description":"The validateSignature method in the SAML2\\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.","status":"published","published":"2017-02-16T18:00:00Z","modified":"2024-08-06T02:59:03.52Z","updated_at":"2026-11-02T14:33:31.764001Z"}],"euvd":[{"id":"EUVD-2022-5133","description":"The validateSignature method in the SAML2\\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.","status":"published","published":"2017-02-16T18:00:00Z","modified":"2024-08-06T02:59:03Z","updated_at":"2026-11-03T02:22:25.833438Z"}],"ghsa":[{"id":"GHSA-r8v4-7vwj-983x","title":"SimpleSAMLphp SAML2 spoof SAML responses","description":"The validateSignature method in the SAML2\\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.","status":"published","published":"2022-05-14T03:40:37Z","modified":"2024-04-25T21:00:18Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:37:46.667202Z"}],"nvd":[{"id":"CVE-2016-9814","description":"The validateSignature method in the SAML2\\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 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return values to boolean.","status":"published","published":"2017-02-17T02:59:14.047Z","modified":"2026-10-24T10:30:53.75032759Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:03.472693Z"},{"id":"DEBIAN-CVE-2016-9814","description":"The validateSignature method in the SAML2\\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.","status":"published","published":"2017-02-17T02:59:14.047Z","modified":"2026-09-22T07:02:20.537836094Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:28.207321Z"},{"id":"GHSA-r8v4-7vwj-983x","title":"SimpleSAMLphp SAML2 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of return values to boolean.","status":"published","published":"2017-02-17T02:59:00Z","modified":"2026-09-15T20:16:35.89360716Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:13.356796Z"},{"id":"DLA-1298-1","title":"simplesamlphp - security update","status":"published","published":"2018-03-02T00:00:00Z","modified":"2026-03-09T01:01:56.843533Z","updated_at":"2026-11-02T15:46:09.336894Z"}]}}