Apache HTTP Server: NULL pointer dereference

Apache Software Foundation Apache HTTP Server

Apache HTTP Server's mod_md has a NULL pointer dereference vulnerability.

Do this now

Check the Apache advisory for a fix and restrict access to mod_md meanwhile.

Who should check: teams running Apache httpd

Still cooking for Apache HTTP Server.

First seen: 11 Nov 2026
Last update: 11 Nov 2026, 17:18 UTC
Identifiers: CVE-2026-106023
Source: news
On the menu as: Apache httpd

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Apache HTTP Server: NULL pointer dereference
Severity: unknown. Patch status: fix status unknown.
Affected: Apache Software Foundation Apache HTTP Server
Ids: CVE-2026-106023

Apache HTTP Server's mod_md has a NULL pointer dereference vulnerability.

## Steps
1. This touches infrastructure (apache). Look in terraform, ansible, cloud-init, Dockerfiles and docs for the product and version we run. If it isn't in the repo, say so and list what a human should check on the box.
2. Apache HTTP Server 2.4.x: the CVE record names no fix; check the vendor advisory before assuming there is none. Until one ships: restrict network access to it.

## Fix by release line
| Line | State | Fix | Until then |
|---|---|---|---|
| Apache HTTP Server 2.4.x | not named in the CVE record | check the vendor advisory: https://httpd.apache.org/security/vulnerabilities_24.html | restrict network access to it |

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-106023") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://seclists.org/oss-sec/2026/q4/660
https://pwned.coffee/i/apache-http-server-null-pointer-dereference-cve-2026-106023

Timeline

11 Nov 2026, 17:18 UTC
Fix status: no fix yet → unknown.
11 Nov 2026
First reported.

Receipt

Exploitation: No known exploitation
Fix by release line: Product Affected Fixed in Source
Apache HTTP Server <= 2.4.70 fix not named in the CVE record: see vendor advisory CVE record (CNA) checked 12 Nov
The CVE record names no fix for one line; the vendor’s advisory may: httpd.apache.org
Score: No CVSS published yet: severity unknown.
Last checked: 13 Nov 2026, 16:26 UTC

Product	Affected	Fixed in	Source
Apache HTTP Server	<= 2.4.70	fix not named in the CVE record: see vendor advisory	CVE record (CNA) checked 12 Nov

Sources: KEV – CVE record ✓ Vendor ✓

Sources

seclists.org: CVE-2026-106023: Apache HTTP Server: mod_md NULL pointer dereference leads to child process crash

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