Stack-based buffer overflow in mod_vhost_alias in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows a remote client to cause a denial of service or potentially execute arbitrary code via an HTTP request with a Host header exceeding 8192 bytes when VirtualDocumentRoot uses a hostname format specifier and LimitRequestFieldSize is raised above the default.

Users are recommended to upgrade to version 2.4.69, which fixes this issue.
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History

Thu, 01 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description Stack-based buffer overflow in mod_vhost_alias in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows a remote client to cause a denial of service or potentially execute arbitrary code via an HTTP request with a Host header exceeding 8192 bytes when VirtualDocumentRoot uses a hostname format specifier and LimitRequestFieldSize is raised above the default. Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Title Apache HTTP Server: mod_vhost_alias stack overflow
Weaknesses CWE-121
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-01T16:11:47.911Z

Reserved: 2026-07-16T09:06:13.760Z

Link: CVE-2026-63292

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-01T17:17:29.803

Modified: 2026-10-01T17:17:29.803

Link: CVE-2026-63292

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses