CVE-2017-16852: Debian Linux

High severity, CVSS 8.1. EPSS: 1.1% chance of exploitation in the next 30 days.

shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth Service Provider before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification, enforcement of validity periods, and other checks specific to deployments, aka SSPCPP-763.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Shibboleth Service Provider: before 2.6.1 (fixed in 2.6.1)

Published 2017-11-16. Last modified 2026-06-17.