CVE-2026-56449

Apache HTTP Server: mod_proxy_html: crash in dump_content

CVE-2026-56449 is fixed in 23 products on 1 platform, first by DEBIAN-CVE-2026-56449, released October 5, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.5

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0057

47th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
apache2 · Debian 13.5 (trixie)	2.4.69-1~deb13u1	DEBIAN-CVE-2026-56449	Oct 5, 2026
apache2 · Debian 14	2.4.69-1	DEBIAN-CVE-2026-56449	Oct 5, 2026
httpd · RHEL 10	2.4.63-13.el10_2.5	RHBA-2026:50158	Oct 9, 2026
httpd · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
httpd-core · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
httpd-core-debuginfo · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
httpd-debuginfo · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
httpd-debugsource · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
httpd-devel · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
httpd-filesystem · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
httpd-manual · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
httpd-tools · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
httpd-tools-debuginfo · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_http2 · amzn 2023	1:2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_http2-debuginfo · amzn 2023	1:2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_ldap · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_ldap-debuginfo · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_lua · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_lua-debuginfo · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_proxy_html · amzn 2023	1:2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_proxy_html-debuginfo · amzn 2023	1:2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_session · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_session-debuginfo · amzn 2023	2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_ssl · amzn 2023	1:2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026
mod_ssl-debuginfo · amzn 2023	1:2.4.69-1.amzn2023.0.2	ALAS2023-2026-3202	Nov 7, 2026

Details

Published
October 1, 2026
Weakness
Out-of-bounds Write
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56449

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