Missing Release of Resource after Effective Lifetime Affecting pdns-recursor package, versions <4.1.7-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
6.04% (94th percentile)

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  • Snyk IDSNYK-ECHOLATEST-PDNSRECURSOR-18234844
  • published23 Jul 2026
  • 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 Echo:latest pdns-recursor to version 4.1.7-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pdns-recursor package and not the pdns-recursor package as distributed by Echo. See How to fix? for Echo:latest 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.