qh_help in Nagios Core version 4.4.1 and earlier is prone to a NULL pointer dereference…
Priority LOW 28CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
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.
Why it matters now
EPSS 0.01342 71st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Mobile Application Platform 4 | Affected | No fix planned: Out of support scope |
Not affected: 1 product
- Red Hat Storage 3
Timeline
- 2026-10-02 Threatist record created from CVE-2018-13441
- 2026-10-03 Alias added: GHSA-vcwh-ghpm-79h9
References
More Nagios vulnerabilities
- TI-2009-02180 statuswml.cgi in Nagios before 3.1.1 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 7.5
- TI-2012-05060 Multiple stack-based buffer overflows in the get_history function in history.cgi in… CVSS 2.0HIGH 7.5
- TI-2016-07788 MagpieRSS, as used in the front-end component in Nagios Core before 4.2.2 might allow… CVSS 3.0CRITICAL 9.8
- TI-2013-05840 Multiple off-by-one errors in Nagios Core 3.5.1, 4.0.2, and earlier, and Icinga before… CVSS 2.0MEDIUM 5.5
- TI-2008-04579 The _httpsrequest function (Snoopy/Snoopy.class.php) in Snoopy 1.2.3 and earlier, as used… CVSS 2.0HIGH 10.0
- TI-2014-04112 Snoopy allows remote attackers to execute arbitrary commands. CVSS 3.0CRITICAL 9.8
Sources
- CVE-2018-13441 · CVE Program
- CVE-2018-13441 · NVD
- FIRST EPSS
- GHSA-vcwh-ghpm-79h9 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-13441 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences