Name: CVE-2016-9955: Improper Input Validation
Creator: Rapid7
Published: 2017-02-17T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2016-9955, CWE-20, CVSS 6.3, EPSS 0.01182

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.

CVSS Details

CVSS 3.0 Base Score: 6.3
CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade simplesamlphp	Feb 25, 2019	Feb 16, 2017
Ubuntu	—	No solution exists	Jun 26, 2025	Feb 17, 2017

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CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence