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Fedora 43: mod_md Important Apache HTTP Server Fix CVE-2025-55753

fedora
Calendar Grey December 17, 2025
Dist Fedora Esm H88
The mod_md update for Fedora 43 addresses critical fixes including CVE-2025-55753 ensuring better certificate management.
This update includes the latest upstream release of mod_md, with various bug fixes and enhancements

Summary

This module manages common properties of domains for one or more

virtual hosts. Specifically it can use the ACME protocol to automate

certificate provisioning. Certificates will be configured for managed

domains and their virtual hosts automatically, including at renewal.

Update Information:

This update includes the latest upstream release of mod_md, with various bug fixes and enhancements. See https://github.com/icing/mod_md/releases for more information. A fix for the security vulnerability CVE-2025-55753 is also included.

Topics%20covered

Topics Covered

security advisory fedora buffer overflow important mod_md acme

Change Log

* Mon Dec 8 2025 Joe Orton - 1:2.6.7-1 - update to 2.6.7. * Fri Dec 5 2025 Joe Orton - 1:2.6.6-1 - update to 2.6.6 * Mon Sep 29 2025 Joe Orton - 1:2.6.2-1 - update to 2.6.2

References


[ 1 ] Bug #2420213 - CVE-2025-55753 httpd: Apache HTTP Server: mod_md (ACME), unintended retry intervals [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2420213

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-24282560e4' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
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Critical

Name: mod_md
Product: Fedora 43
Version: 2.6.7
Release: 1.fc43
URL: https://icing.github.io/mod_md/
Summary: Certificate provisioning using ACME for the Apache HTTP Server

Topics%20covered

Topics Covered

security advisory fedora buffer overflow important mod_md acme

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