CVE-2018-0486: Debian Linux

Medium severity, CVSS 6.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Shibboleth XMLTooling-C before 1.6.3, as used in Shibboleth Service Provider before 2.6.0 on Windows and other products, mishandles digital signatures of user attribute data, which allows remote attackers to obtain sensitive information or conduct impersonation attacks via a crafted DTD.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Shibboleth Xmltooling-C: before 1.6.3 (fixed in 1.6.3)

Published 2018-01-13. Last modified 2026-06-17.