CVE-2014-8602: Canonical Ubuntu Linux

Medium severity, CVSS 4.3. EPSS: 25.2% chance of exploitation in the next 30 days.

iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 14.10 only
• Debian Debian Linux: version 7.0 only
• Nlnetlabs Unbound: up to and including 1.5.0

Published 2014-12-11. Last modified 2026-06-17.