CVE-2026-34356

A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie directives. This could lead to a denial of service DoS condition, making the server unavailable to legitimate users. Mitigation To...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers

A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie directives. This could lead to a denial of service DoS condition, making the server unavailable to legitimate users...

CVE-2026-34356

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...

CVE-2026-34356

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...

CVE-2026-34356

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...

CVE-2026-34356

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...

CVE-2026-34356

CVE-2026-34356 is a heap-based buffer overflow in Apache HTTP Server (affecting 2.4.0–2.4.67) involving malicious backend servers and ProxyPassReverseCookie. The issue could allow a crash or similar impact (per CVSS v3.1: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; base score 7.5). Fixed by upgrading to...

PT-2026-47317

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.0 through 2.4.67 Description A heap-based buffer overflow occurs when interacting with malicious backend servers using ProxyPassReverseCookie. A heap-based buffer overflow is a memory corruption issue where data...

Apache HTTP Server 安全漏洞

Apache HTTP Server is an open-source web server developed by the Apache Foundation in the United States. This server is known for its speed, reliability, and ability to be expanded through simple APIs. There were security vulnerabilities in Apache HTTP Server versions 2.4.0 to 2.4.67. These...