Vulnerability DatabaseCVE-2018-6519
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CVE-2018-6519
Published:February 02, 2018
Updated:May 23, 2026
The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.
Affected Packages
simplesamlphp/saml2 (PHP):
Affected version(s) >=v3.0.0 <v3.1.1
Fix Suggestion:
Update to version v3.1.1
simplesamlphp/saml2 (PHP):
Affected version(s) >=v2.0.0 <v2.3.5
Fix Suggestion:
Update to version v2.3.5
Related Resources (5)
https://simplesamlphp.org/security/201801-01
https://nvd.nist.gov/vuln/detail/CVE-2018-6519
https://www.debian.org/security/2018/dsa-4127
https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2018-6519.yaml
https://github.com/simplesamlphp/simplesamlphp
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-74
EPSS
Base Score:
0.47