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.

Project Subscriptions

Vendors Products
Apache Http Server Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 08 Jun 2026 23:30:00 +0000

Type Values Removed Values Added
References

Mon, 08 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 08 Jun 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache apache Http Server
Vendors & Products Apache
Apache apache Http Server

Mon, 08 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow
Weaknesses CWE-124
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-06-08T22:32:33.325Z

Reserved: 2026-05-07T12:39:02.065Z

Link: CVE-2026-44631

cve-icon Vulnrichment

Updated: 2026-06-08T22:32:33.325Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-08T16:16:40.583

Modified: 2026-06-09T01:41:00.563

Link: CVE-2026-44631

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-08T21:30:06Z

Weaknesses