CVE-2018-14629: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 5.2% chance of exploitation in the next 30 days.

A denial of service vulnerability was discovered in Samba's LDAP server before versions 4.7.12, 4.8.7, and 4.9.3. A CNAME loop could lead to infinite recursion in the server. An unprivileged local attacker could create such an entry, leading to denial of service.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Samba Samba: from 4.0.0, before 4.7.12 (fixed in 4.7.12); from 4.8.0, before 4.8.7 (fixed in 4.8.7); from 4.8.8, before 4.9.3 (fixed in 4.9.3)

Published 2018-11-28. Last modified 2026-06-17.