CVE-2011-5056: Maradns

Low severity, CVSS 2.1. EPSS: 0.4% chance of exploitation in the next 30 days.

The authoritative server in MaraDNS through 2.0.04 computes hash values for DNS data without restricting the ability to trigger hash collisions predictably, which might allow local users to cause a denial of service (CPU consumption) via crafted records in zone files, a different vulnerability than CVE-2012-0024.

Affected products

• Maradns Maradns: up to and including 2.0.04

Published 2012-01-08. Last modified 2026-06-16.