NULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener. (CVE-2026-46729)
A NULL Pointer Dereference vulnerability exists in the Apache HTTP Server's mod_heartmonitor module when using the unicast listener. This flaw affects Apache HTTP Server versions from 2.4.0 through 2.4.68. The vulnerability can cause a denial of service by crashing the server process.
AI Analysis
Technical Summary
CVE-2026-46729 describes a NULL Pointer Dereference vulnerability in the mod_heartmonitor module of Apache HTTP Server. The issue occurs over the unicast listener and affects versions from 2.4.0 up to and including 2.4.68. The vulnerability can lead to a denial of service condition by causing the server to crash when the NULL pointer is dereferenced.
Potential Impact
Successful exploitation of this vulnerability results in denial of service (DoS) due to server process crash. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
NULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener. (CVE-2026-46729)
Description
A NULL Pointer Dereference vulnerability exists in the Apache HTTP Server's mod_heartmonitor module when using the unicast listener. This flaw affects Apache HTTP Server versions from 2.4.0 through 2.4.68. The vulnerability can cause a denial of service by crashing the server process.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-46729 describes a NULL Pointer Dereference vulnerability in the mod_heartmonitor module of Apache HTTP Server. The issue occurs over the unicast listener and affects versions from 2.4.0 up to and including 2.4.68. The vulnerability can lead to a denial of service condition by causing the server to crash when the NULL pointer is dereferenced.
Potential Impact
Successful exploitation of this vulnerability results in denial of service (DoS) due to server process crash. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-539q-64x2-q4mg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-46729"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abeb3eaa43b0b3b89ed1e95
Added to database: 10/01/2026, 19:26:34 UTC
Last enriched: 10/01/2026, 19:30:32 UTC
Last updated: 10/02/2026, 03:45:56 UTC
Views: 9
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