Missing Release of Resource after Effective Lifetime Affecting pdns package, versions <4.1.1-1ubuntu0.1~esm1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
5.97% (93rd percentile)

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  • Snyk IDSNYK-UBUNTU1804-PDNS-1194865
  • published1 Jun 2025
  • disclosed29 Nov 2018

Introduced: 29 Nov 2018

CVE-2018-10851  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 pdns to version 4.1.1-1ubuntu0.1~esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pdns package and not the pdns package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

PowerDNS Authoritative Server 3.3.0 up to 4.1.4 excluding 4.1.5 and 4.0.6, and PowerDNS Recursor 3.2 up to 4.1.4 excluding 4.1.5 and 4.0.9, are vulnerable to a memory leak while parsing malformed records that can lead to remote denial of service.