CVE-2026-109163
Apache HTTP Server: mod_vhost_alias 1 byte stack buffer overwrite (after CVE-2026-63292)
Description
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.
Key facts
- Published
- 11 Nov 2026
- Last changed
- 11 Nov 2026
- Assigned by
- apache
- EPSS
- 0.247% likely to be exploited in the next 30 days, higher than 16.149% of CVEs (scores for 15 Nov 2026)
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
|
Timeline
- 5 Oct 2026 reported
- 11 Nov 2026 Published