CVE-2026-33007

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-33007
A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/04/22 Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
History

04 May 2026, 20:22

Type Values Removed Values Added
CPE cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
First Time Apache http Server
Apache
References () https://httpd.apache.org/security/vulnerabilities_24.html - () https://httpd.apache.org/security/vulnerabilities_24.html - Vendor Advisory
References () http://www.openwall.com/lists/oss-security/2026/05/04/22 - () http://www.openwall.com/lists/oss-security/2026/05/04/22 - Mailing List, Third Party Advisory

04 May 2026, 18:16

Type Values Removed Values Added
References
  • () http://www.openwall.com/lists/oss-security/2026/05/04/22 -

04 May 2026, 16:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.3

04 May 2026, 15:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-04 15:16

Updated : 2026-05-04 20:22

NVD link : CVE-2026-33007

Mitre link : CVE-2026-33007

CVE.ORG link : CVE-2026-33007

JSON object : View

Products Affected

apache

  • http_server
CWE
CWE-476

NULL Pointer Dereference