SB2016122823 - Resource management error in PowerDNS Recursor



SB2016122823 - Resource management error in PowerDNS Recursor

Published: December 28, 2016 Updated: June 21, 2025

Security Bulletin ID SB2016122823
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource management error (CVE-ID: CVE-2015-1868)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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.


Remediation

Install update from vendor's website.