Reachable Assertion Affecting mod_md package, versions <1:2.0.8-8.module+el8.9.0+19080+567b90f8


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
2.79% (87th percentile)

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  • Snyk IDSNYK-CENTOS8-MODMD-10737941
  • published14 Jul 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 Centos:8 mod_md to version 1:2.0.8-8.module+el8.9.0+19080+567b90f8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mod_md package and not the mod_md package as distributed by Centos. See How to fix? for Centos: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