CVE-2025-54090

Apache HTTP Server: 'RewriteCond expr' always evaluates to true in 2.4.64

CVE-2025-54090 is fixed in 21 products on 1 platform, first by DEBIAN-CVE-2025-54090, released July 23, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

6.3

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0088

59th percentile

A bug in Apache HTTP Server 2.4.64 results in all "RewriteCond expr ..." tests evaluating as "true". Users are recommended to upgrade to version 2.4.65, which fixes the issue.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
apache2 · Debian 13.5 (trixie)	2.4.65-1	DEBIAN-CVE-2025-54090	Jul 23, 2025
apache2 · Debian 14	2.4.65-1	DEBIAN-CVE-2025-54090	Jul 23, 2025
httpd · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
httpd-core · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
httpd-core-debuginfo · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
httpd-debuginfo · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
httpd-debugsource · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
httpd-devel · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
httpd-filesystem · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
httpd-manual · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
httpd-tools · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
httpd-tools-debuginfo · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_ldap · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_ldap-debuginfo · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_lua · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_lua-debuginfo · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_proxy_html · amzn 2023	1:2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_proxy_html-debuginfo · amzn 2023	1:2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_session · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_session-debuginfo · amzn 2023	2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_ssl · amzn 2023	1:2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025
mod_ssl-debuginfo · amzn 2023	1:2.4.65-1.amzn2023.0.1	ALAS2023-2025-1183	Sep 10, 2025

Details

Published
July 23, 2025
Weakness
Incorrect Check of Function Return Value
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54090

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