{"id":"UBUNTU-CVE-2016-9955","details":"The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof signatures on SAML 1 responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.","modified":"2025-10-24T04:45:59Z","published":"2017-02-17T02:59:00Z","upstream":["CVE-2016-9955"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-9955"},{"type":"REPORT","url":"https://simplesamlphp.org/security/201612-02"},{"type":"REPORT","url":"https://github.com/simplesamlphp/simplesamlphp/commit/a2326d75dd14accaac162dd2cb30aaefcc1f9205"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/12/14/7"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-9955"}],"affected":[{"package":{"name":"simplesamlphp","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/simplesamlphp@1.14.0-1ubuntu2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.2-1","1.14.0-1","1.14.0-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.14.0-1ubuntu2","binary_name":"simplesamlphp"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9955.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}