CVE-2026-44631 Details
Description
Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.
A buffer underwrite vulnerability has been identified in Apache HTTP Server versions 2.4.0 prior to 2.4.67. This vulnerability arises in the core server when handling regular expressions in the configuration, allowing for potential memory manipulation.
Users are advised to upgrade to Apache HTTP Server version 2.4.68, which addresses this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 8, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/06/08/14 | CVE | Mailing ListThird Party Advisory |
| https://httpd.apache.org/security/vulnerabilities_24.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-124 | Buffer Underwrite ('Buffer Underflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| apache http server | >= 2.4.0, < 2.4.68 |
CPE
Remediation
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Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 11, 2026 | Initial Analysis | [email protected] |
| Jun 8, 2026 | CVE Modified | CVE |
| Jun 8, 2026 | CVE Modified | CISA-ADP |
| Jun 8, 2026 | New CVE Received | [email protected] |