PT-2026-36814 · Apache+3 · Apache Http Server+3

Arkadi Vainbrand + 1 · Published 2026-03-04 · Updated 2026-06-01 · CVE-2026-33007

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions prior to 2.4.67

Description A NULL pointer dereference in the mod authn socache module allows an unauthenticated remote user to crash a child process when a caching forward proxy configuration is used. A NULL pointer dereference occurs when a program attempts to read or write to a memory address that is NULL, typically leading to a program crash.

Recommendations Upgrade to version 2.4.67.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2026:21391

ALSA-2026:21433

ALSA-2026:22140

BDU:2026-06311

BIT-APACHE-2026-33007

CVE-2026-33007

OESA-2026-2320

OESA-2026-2398

OESA-2026-2400

OESA-2026-2401

OESA-2026-2402

OPENSUSE-SU-2026:10785-1

RHSA-2026:13938

USN-8239-1

Affected Products

Apache Http Server

Linuxmint

Rocky Linux

Ubuntu

References · 86

• https://osv.dev/vulnerability/ALSA-2026:21391 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-28780 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2320 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-apache-2026-33007 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-33007 · Security Note
• https://ubuntu.com/security/CVE-2026-29169 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-33857 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8239-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-29168 · Security Note
• https://ubuntu.com/security/CVE-2026-34059 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-34032 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-33006 · Security Note
• https://errata.rockylinux.org/RLSA-2026:22140 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-28780 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-33523 · Security Note