Vulnerability · Published Jul 23, 2025 · Assigned by apache

CVE-2025-54090Apache HTTP Server: 'RewriteCond expr' always evaluates to true in 2.4.64

Medium 6.3

In plain English

A medium-severity security flaw in Apache HTTP Server from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.9%top 40.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20apache22.4.65-r0ALPINE-CVE-2025-54090
Alpine:v3.21apache22.4.65-r0ALPINE-CVE-2025-54090
Alpine:v3.22apache22.4.65-r0ALPINE-CVE-2025-54090
Alpine:v3.23apache22.4.65-r0ALPINE-CVE-2025-54090
Alpine:v3.24apache22.4.65-r0ALPINE-CVE-2025-54090
Debian:13apache22.4.65-1DEBIAN-CVE-2025-54090
Debian:14apache22.4.65-1DEBIAN-CVE-2025-54090

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache HTTP Server 2.4.64

Weakness: CWE-253 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References