Name: CVE-2026-56449: Out-of-bounds Write
Creator: Rapid7
Published: 2026-10-01T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-56449, CWE-787, CVSS 7.5, EPSS 0.00571

Out-of-bounds Write vulnerability in Apache HTTP Server's mod_proxy_html with crafted HTTP response bodies.

This issue affects Apache HTTP Server version 2.4.68.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade apache2	Oct 5, 2026	Oct 1, 2026
Amazon Linux Ami 2	—	Upgrade mod_http2Upgrade httpd-debuginfoUpgrade mod_ldapUpgrade httpd-filesystemUpgrade mod_mdUpgrade mod_proxy_htmlUpgrade mod_sslUpgrade httpd-toolsUpgrade mod_sessionUpgrade httpd-develUpgrade httpd-manualUpgrade httpd	Oct 19, 2026	Oct 19, 2026
Amazon_linux_2023	—	Upgrade httpdUpgrade mod_lua-debuginfoUpgrade mod_session-debuginfoUpgrade mod_ssl-debuginfoUpgrade httpd-tools-debuginfoUpgrade httpd-filesystemUpgrade mod_http2-debuginfoUpgrade httpd-develUpgrade httpd-debuginfoUpgrade mod_luaUpgrade mod_sessionUpgrade mod_ldapUpgrade mod_proxy_html-debuginfoUpgrade httpd-toolsUpgrade httpd-manualUpgrade mod_ldap-debuginfoUpgrade httpd-debugsourceUpgrade mod_proxy_htmlUpgrade httpd-coreUpgrade mod_sslUpgrade mod_http2Upgrade httpd-core-debuginfo	Oct 13, 2026	Oct 1, 2026
Apache Httpd	—	Upgrade to the latest version of Apache HTTPD	Oct 2, 2026	Oct 1, 2026
Debian	—	Upgrade apache2	Oct 20, 2026	Oct 1, 2026
Freebsd	—	Upgrade apache24	Oct 5, 2026	Oct 1, 2026
Redhat_linux	—	No solution exists	Oct 5, 2026	Oct 1, 2026

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