RHSA-2026:33371 - Security Advisory

Topic

An update is now available for Red Hat JBoss Enterprise Application Platform 7.3 for Red Hat Enterprise Linux 7. 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

Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.3.18 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.3.17, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.3.18 Release Notes for information about the most significant bug fixes and enhancements included in this release.

Security Fix(es):

• jose4j: From CVEorg collector (CVE-2024-29371)
• undertow-core: Undertow HTTP Server Fails to Reject Malformed Host Headers Leading to Potential Cache Poisoning and SSRF (CVE-2025-12543)
• org.apache.cxf/cxf-core: Apache CXF: Denial of Service vulnerability with temporary files (CVE-2025-23184)
• undertow-core: Undertow MadeYouReset HTTP/2 DDoS Vulnerability (CVE-2025-9784)

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

Before applying this update, ensure all previously released errata relevant to your system have been applied. Also, back up your existing installation, including all applications, configuration files, databases and database settings. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

Affected Products

• JBoss Enterprise Application Platform 7.3 EUS 7.3 x86_64

Fixes

• BZ - 2339095 - CVE-2025-23184 org.apache.cxf: Apache CXF: Denial of Service vulnerability with temporary files
• BZ - 2392306 - CVE-2025-9784 undertow: Undertow MadeYouReset HTTP/2 DDoS Vulnerability
• BZ - 2408784 - CVE-2025-12543 undertow-core: Undertow HTTP Server Fails to Reject Malformed Host Headers Leading to Potential Cache Poisoning and SSRF
• BZ - 2423194 - CVE-2024-29371 jose4j: jose4j: Denial of Service via malicious JSON Web Encryption (JWE) token compression
• JBEAP-31703 - Tracker bug for the EAP 7.3.18 release for RHEL-7
• JBEAP-33004 - [7.3.z] Upgrade Jose4j from 0.9.6.redhat-00002 to 0.9.6.redhat-00003

CVEs

• CVE-2024-29371
• CVE-2025-9784
• CVE-2025-12543
• CVE-2025-13465
• CVE-2025-15284
• CVE-2025-23184
• CVE-2025-23368
• CVE-2025-66412
• CVE-2025-69873
• CVE-2026-1002
• CVE-2026-24842

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/7.3
• https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/7.3/html-single/installation_guide/index
• https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/7.3/html/7.3.0_release_notes/index