---
id: "CVE-2026-109163"
page: "https://infrastack.ai/live/CVE-2026-109163"
kind: "vulnerability"
aliases: ["CVE-2026-109163"]
title: "Apache HTTP Server: stack buffer overflow in mod_vhost_alias module"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["apache-httpd", "runtime", "self-hosted"]
not_affected_if: []
published_at: "2026-11-11T15:17:14+00:00"
first_seen_at: "2026-11-11T15:27:49+00:00"
updated_at: "2026-11-11T15:29:57+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-109163", "first_seen_at": "2026-11-11T15:27:49+00:00"}]
exploit_sources: []
---

# Apache HTTP Server: stack buffer overflow in mod_vhost_alias module

Link for people: https://infrastack.ai/live/CVE-2026-109163 (this .md is for agents)

A stack-based buffer overflow in Apache HTTP Server's mod_vhost_alias module affects version 2.4.69. The sources do not state what an attacker can run or read after triggering it.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Run `httpd -v` or `apachectl -v` and look for `2.4.69`.
- Check whether `mod_vhost_alias` is loaded with `httpd -M | grep vhost_alias`.

## Timeline

- 2026-11-11T15:27:49+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-109163

## From the sources

Stack-based buffer overflow vulnerability in Apache HTTP Server's mod_vhost_alias (after CVE-2026-63292)



This issue affects Apache HTTP Server: 2.4.69.

---

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