RHSA-2025:8627 - Security Advisory

Topic

An update for mod_security is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server - AUS 8.4 x86_64

Fixes

• BZ - 2367903 - CVE-2025-47947 modsecurity: ModSecurity Has Possible DoS Vulnerability

CVEs

• CVE-2025-47947

References

• https://access.redhat.com/security/updates/classification/#important