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CVE-2018-13441

MediumPublished

qh_help in Nagios Core version 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attacker to cause a local...

Published: Jul 12, 2018
Updated: Aug 5, 2024
Assigning CNA: mitre
Evidence observed: Jul 24, 2018

Primary CVSS

5.5/ 10Medium

nvd · CVSS 3.0

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS probability estimate

1.3%

Low · next 30 days

Percentile: 68.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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

Sources

Nagios Core 4.4.1 - Denial of ServiceExploit
Fakhri Zulkifli · linux · Jul 24, 2018

Responsible use

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