CVE-2026-34356

CVE-2026-34356: Apache HTTP Server: ProxyPassReverseCookieMap buffer overflow

Vendor Apache Software Foundation
Product Apache HTTP Server
Weakness CWE-122
Published June 8, 2026
Last update June 8, 2026

CVSS base score

What the vulnerability does

Description

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie* 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.

Key dates

Disclosure timeline

June 8, 2026 CVE published
June 8, 2026 Record updated