Reachable Assertion Affecting httpd:2.4/mod_ldap package, versions <0:2.4.37-21.module+el8.2.0+23461+1d03af5c.10


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.35% (57th percentile)

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  • Snyk IDSNYK-RHEL8-HTTPD-12558594
  • published9 Sept 2025
  • disclosed14 Jul 2025

Introduced: 14 Jul 2025

CVE-2025-49630  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade RHEL:8 httpd:2.4/mod_ldap to version 0:2.4.37-21.module+el8.2.0+23461+1d03af5c.10 or higher.
This issue was patched in RHSA-2025:15516.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd:2.4/mod_ldap package and not the httpd:2.4/mod_ldap package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2.

Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to "on".

CVSS Base Scores

version 3.1