Red Hat Security Advisory: mod_security security update
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.
AI Analysis
Technical Summary
CVE-2025-47947 is a possible denial of service vulnerability in ModSecurity, an open source web application firewall engine. The issue affects multiple Red Hat Enterprise Linux 8.6 variants. Red Hat Product Security has released updated mod_security packages (version 2.9.2-9.el8_6.1) to remediate this vulnerability. The advisory classifies the security impact as important. No CVSS score is provided, and no known exploits have been observed in the wild. The vulnerability is tracked under CWE-1050.
Potential Impact
Successful exploitation of this vulnerability could lead to denial of service conditions in systems running vulnerable versions of ModSecurity on Red Hat Enterprise Linux 8.6. This could disrupt web application protection and potentially impact availability. No evidence of active exploitation is currently known.
Mitigation Recommendations
Red Hat has released updated mod_security packages (version 2.9.2-9.el8_6.1) that address this vulnerability. Users should apply the official Red Hat security update RHSA-2025:8605 to remediate the issue. For detailed update instructions, refer to Red Hat's official article at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Red Hat Security Advisory: mod_security security update
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.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-47947 is a possible denial of service vulnerability in ModSecurity, an open source web application firewall engine. The issue affects multiple Red Hat Enterprise Linux 8.6 variants. Red Hat Product Security has released updated mod_security packages (version 2.9.2-9.el8_6.1) to remediate this vulnerability. The advisory classifies the security impact as important. No CVSS score is provided, and no known exploits have been observed in the wild. The vulnerability is tracked under CWE-1050.
Potential Impact
Successful exploitation of this vulnerability could lead to denial of service conditions in systems running vulnerable versions of ModSecurity on Red Hat Enterprise Linux 8.6. This could disrupt web application protection and potentially impact availability. No evidence of active exploitation is currently known.
Mitigation Recommendations
Red Hat has released updated mod_security packages (version 2.9.2-9.el8_6.1) that address this vulnerability. Users should apply the official Red Hat security update RHSA-2025:8605 to remediate the issue. For detailed update instructions, refer to Red Hat's official article at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:8922
- Cve Count
- 1
Threat ID: 6a4049e127e9c797198325e9
Added to database: 06/27/2026, 22:08:33 UTC
Last enriched: 07/12/2026, 10:48:38 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 22
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