NULL Pointer Dereference Affecting nagios package, versions *


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
4.51% (91st percentile)

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  • Snyk IDSNYK-RHEL10-NAGIOS-9891733
  • published28 Apr 2025
  • disclosed19 Jul 2018

Introduced: 19 Jul 2018

CVE-2018-13457  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 nagios.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nagios package and not the nagios package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

qh_echo in Nagios Core 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attackers to cause a local denial-of-service condition by sending a crafted payload to the listening UNIX socket.