CVE-2026-44631

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

08/06/2026

Last modified:

11/06/2026

Description

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration.<br /> <br /> This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.<br /> <br /> Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High