CVE-2015-1868: Fedoraproject Fedora

High severity, CVSS 7.8. EPSS: 81.7% chance of exploitation in the next 30 days.

The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and Authoritative (Auth) Server 3.2.x, 3.3.x before 3.3.2, and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a name that refers to itself.

Affected products

• Fedoraproject Fedora: version 20 only; version 21 only; version 22 only
• Powerdns Authoritative: version 3.2 only; version 3.3 only; version 3.3.1 only; version 3.3.2 only; version 3.4.0 only; version 3.4.1 only; …
• Powerdns Recursor: version 3.5 only; version 3.5.1 only; version 3.5.2 only; version 3.5.3 only; version 3.6.0 only; version 3.6.1 only; …

Published 2015-05-18. Last modified 2026-06-17.