{"id":"CVE-2016-9814","aliases":["GHSA-r8v4-7vwj-983x"],"url":"https://o3.security/vulnerability/CVE-2016-9814","summary":"SimpleSAMLphp SAML2 spoof SAML responses","details":"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.","published":"2017-02-17T02:59:14.047Z","modified":"2026-07-08T05:49:17.785700471Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"simplesamlphp/saml2","fixedVersion":"1.10.3"},{"ecosystem":"Packagist","name":"simplesamlphp/saml2","fixedVersion":"1.8.1"},{"ecosystem":"Packagist","name":"simplesamlphp/saml2","fixedVersion":"1.9.1"},{"ecosystem":"Packagist","name":"simplesamlphp/saml2","fixedVersion":"2.3.3"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/03/msg00001.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94730"},{"type":"ADVISORY","url":"https://simplesamlphp.org/security/201612-01"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:49:17.785700471Z"}}