RHSA-2026:0743 - 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 7.3.16 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.3.15, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.3.16 Release Notes for information about the most significant bug fixes and enhancements included in this release.

Security Fix(es):

• UNDERTOW-2429 undertow: Improper State Management in Proxy Protocol parsing causes information leakage [eap-7.3.z] (CVE-2024-7885)
• jackson-core: jackson-core Potential StackoverflowError [eap-7.3.z] (CVE-2025-52999)
• netty-codec-http2: Netty MadeYouReset HTTP/2 DDoS Vulnerability [eap-7.3.z] (CVE-2025-55163)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgements, 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 - 2305290 - CVE-2024-7885 undertow: Improper State Management in Proxy Protocol parsing causes information leakage
• BZ - 2374804 - CVE-2025-52999 com.fasterxml.jackson.core/jackson-core: jackson-core Potential StackoverflowError
• BZ - 2388252 - CVE-2025-55163 netty: netty-codec-http2: Netty MadeYouReset HTTP/2 DDoS Vulnerability
• JBEAP-30792 - Tracker bug for the EAP 7.3.16 release for RHEL-7
• JBEAP-31348 - (7.3.z) Upgrade undertow from 2.0.41.SP6 to 2.0.41.SP7
• JBEAP-31350 - [7.3] Upgrade wildfly-core from 10.1.32.Final to 10.1.33.Final
• JBEAP-31038 - (7.3.z) UNDERTOW-2457 - Bytes may get lost across ProxyProtocolReadListener parsing invocations for v1

CVEs

• CVE-2024-7885
• CVE-2025-52999
• CVE-2025-55163

References

• https://access.redhat.com/security/updates/classification/#critical
• 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://access.redhat.com/security/vulnerabilities/RHSB-2023-003