RHSA-2025:8837 — Security Advisory
Red Hat Security Advisory: mod_security security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · June 11, 2025
Updated · October 22, 2026
Topic
An update for mod_security is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
ModSecurity is an open source intrusion detection and prevention engine for web applications.
Security Fix(es):
- modsecurity: ModSecurity Has Possible DoS Vulnerability (CVE-2025-47947)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.