CVE-2026-106023 Apache HTTP Server: mod_md NULL pointer dereference leads to child process crash
apache software foundation apache http server: no CVSS score yet. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
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NULL pointer dereference vulnerability in Apache HTTP Server's mod_md during HTTP request processing.
This issue affects Apache HTTP Server: from 2.4.30 through 2.4.69.
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 23rd percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-476 NULL Pointer Dereference
- OWASP Top 10
- A10:2025 Mishandling of Exceptional Conditions
- Published
- Modified
- Assigned by
- apache (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
- apache software foundation:apache http server
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Apache Software Foundation Apache HTTP Server | from 2.4.30 through 2.4.70 |
Fix and patched versions
- Debian, Ubuntu, Alpine, Alpaquita: fixed package versions per release
Linux distributions
| Distribution | Release | Package | Fixed in | Advisory |
|---|---|---|---|---|
| Debian | 12 | apache2 | 2.4.71-1~deb12u1 | DEBIAN-CVE-2026-106023 |
| Debian | 13 | apache2 | 2.4.71-1~deb13u1 | DEBIAN-CVE-2026-106023 |
| Debian | 14 | apache2 | no fix listed | DEBIAN-CVE-2026-106023 |
| Ubuntu | 22.04:LTS | apache2 | 2.4.52-1ubuntu4.27 | UBUNTU-CVE-2026-106023 USN-9090-1 |
| Ubuntu | 24.04:LTS | apache2 | 2.4.58-1ubuntu8.19 | UBUNTU-CVE-2026-106023 USN-9090-1 |
| Ubuntu | 26.04:LTS | apache2 | 2.4.66-2ubuntu2.8 | UBUNTU-CVE-2026-106023 USN-9090-1 |
| Ubuntu | 26.10 | apache2 | 2.4.68-1ubuntu6.2 | UBUNTU-CVE-2026-106023 USN-9090-1 |
| Ubuntu | Pro:14.04:LTS | apache2 | 2.4.7-1ubuntu4.22+esm19 | USN-9090-1 |
| Ubuntu | Pro:16.04:LTS | apache2 | 2.4.18-2ubuntu3.17+esm24 | USN-9090-1 |
| Ubuntu | Pro:18.04:LTS | apache2 | 2.4.29-1ubuntu4.27+esm15 | USN-9090-1 |
| Ubuntu | Pro:20.04:LTS | apache2 | 2.4.41-4ubuntu3.23+esm11 | UBUNTU-CVE-2026-106023 USN-9090-1 |
| Alpine | v3.21, v3.22, v3.23 and 1 more | apache2 | 2.4.71-r0 | ALPINE-CVE-2026-106023 |
| Alpaquita | stream | apache2 | 2.4.71-r0 | BELL-CVE-2026-106023 |
From the distributions' data via OSV.dev: the Debian Security Tracker; Ubuntu Security Notices © Canonical Ltd., CC BY-SA 4.0; the Alpine secdb, CC BY-SA 4.0; BellSoft's OSV database, MIT. Modified: reformatted and linked to CVE records. Credits. On the distributions' own pages: Debian · Ubuntu · Alpine · Alpaquita.