RHSA-2026:56868: Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP5 security update
Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products and packaged under Red Hat JBoss Core Services, to allow for faster distribution of updates and for a more consistent update experience.This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.62 Service Pack 5 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.62 Service Pack 4, and includes bug fixes and enhancements, which are documented in the Release Notes linked to in the References section.Security Fix(es): jbcs-httpd24-httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516) jbcs-httpd24-httpd: Apache HTTP Server: Privilege Escalation via .htaccess file manipulation (CVE-2026-24072) jbcs-httpd24-modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service (CVE-2026-48913) modhttp2.so: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service (CVE-2026-48913) jbcs-httpd24-httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in modldap per-directory configuration (CVE-2026-29167) jbcs-httpd24-httpd: Apache httpd moddavfs: Denial of Service due to path handling issue (CVE-2026-42535) jbcs-httpd24-httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631) jbcs-httpd24-httpd: SSRF in Apache HTTP Server with modproxy loaded (CVE-2024-43204) jbcs-httpd24-httpd: Apache HTTP Server: Buffer overflow in modproxyhtml allows security bypass (CVE-2026-34355) jbcs-httpd24-httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in modxml2enc (CVE-2026-42536) jbcs-httpd24-httpd: Apache HTTP Server: Denial of Service in modproxyftp via attacker-controlled FTP server (CVE-2026-44186) jbcs-httpd24-httpd: Apache HTTP Server - Cross-site scripting in modproxyftp HTML directory list generation (CVE-2026-29170) jbcs-httpd24-httpd: jbcs-httpd24-modhttp2: Apache HTTP Server - Out-of-bounds Read in modheaders and modmime with multiple response languages (CVE-2026-43951) jbcs-httpd24-httpd: Apache HTTP Server - Improper Privilege Management allowing .htaccess authors to read files as httpd user (CVE-2026-44119) jbcs-httpd24-httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server (CVE-2026-44185) jbcs-httpd24-httpd: Apache HTTP Server: Denial of Service in modproxyftp via attacker-controlled FTP server (CVE-2026-44186) A Red Hat Security Bulletin which addresses further details about this flaw is available in the References section.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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/jbcs-httpd24-httpdto a version that resolves this vulnerability.Fixed in 2.4.62-16.el8 - Upgrade
Upgrade
redhat/jbcs-httpd24-httpd-debuginfoto a version that resolves this vulnerability.Fixed in 2.4.62-16.el8 - Upgrade
Upgrade
redhat/jbcs-httpd24-httpd-develto a version that resolves this vulnerability.Fixed in 2.4.62-16.el8 - Upgrade
Upgrade
redhat/jbcs-httpd24-httpd-manualto a version that resolves this vulnerability.Fixed in 2.4.62-16.el8 - Upgrade
Upgrade
redhat/jbcs-httpd24-httpd-selinuxto a version that resolves this vulnerability.Fixed in 2.4.62-16.el8 - Upgrade
Upgrade
redhat/jbcs-httpd24-httpd-toolsto a version that resolves this vulnerability.Fixed in 2.4.62-16.el8 - Upgrade
Upgrade
redhat/jbcs-httpd24-httpd-tools-debuginfoto a version that resolves this vulnerability.Fixed in 2.4.62-16.el8 - Upgrade
Upgrade
Red Hat JBoss Core Services Apache HTTP Server 2.4.62to a version that resolves this vulnerability.Fixed in 2.4.62 Service Pack 5 - Operational
Before applying this update, make sure all previously released errata relevant to your system have been applied.
Event History
Frequently Asked Questions
Which prior service pack does this release replace?
It replaces Red Hat JBoss Core Services Apache HTTP Server 2.4.62 Service Pack 4.
Which installed package variants are in scope for this advisory?
The listed packages are jbcs-httpd24-httpd, -debuginfo, -devel, -manual, -selinux, -tools, and -tools-debuginfo. The advisory does not provide fixed package build numbers.
Does this update correct a previously incomplete security fix?
Yes. It includes an incomplete-fix correction for CVE-2023-38709, tracked as CVE-2024-42516.
Is mod_http2 specifically implicated?
Yes. CVE-2026-48913 affects mod_http2 and is described as a use-after-free issue that could allow arbitrary code execution or denial of service. The provided data does not state whether the module must be enabled to be exploitable.