High [CVE-2026-15562] integer overflow in MessageReader leads to pre-authentication denial of service
This high-severity Red Hat Linux advisory covers CVE-2026-15562 affecting Red Hat JBoss Enterprise Application Platform 7.4.25, Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7, Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Android app · Google Play
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
Summary
A flaw was found in EAP's jboss-remoting. A remote unauthenticated attacker who can reach:8080 (or:9990, or:4447) and complete an Upgrade: jboss-remoting handshake can cause OOM errors that degrade requests server-wide, leading to denial of service.
This is an Important denial of service vulnerability in jboss-remoting affecting Red Hat JBoss Enterprise Application Platform.
A remote, unauthenticated attacker can exploit an integer overflow in the MessageReader by completing a jboss-remoting handshake on exposed ports, leading to a severe degradation of server performance and potential resource exhaustion. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Weakness: CWE-190.
Affected Red Hat products: Red Hat JBoss Enterprise Application Platform 7.4.25; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; Red Hat JBoss Enterprise Application Platform 7.
Red Hat lists Red Hat JBoss Enterprise Application Platform Expansion Pack as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 15 hours ago·verify at source
- org.jboss.remoting/jboss-remoting:5.0.31.SP2-redhat-00001
- eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el7eap
- eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el7eap
- eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el7eap
- eap7-jackson-annotations-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-core-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-databind-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-jaxrs-providers-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-modules-base-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-modules-java8-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jboss-remoting-0:5.0.31-3.SP2_redhat_00001.1.el7eap
- eap7-jboss-server-migration-0:1.10.0-46.Final_redhat_00044.1.el7eap
- eap7-netty-0:4.1.135-1.Final_redhat_00001.1.el7eap
- eap7-netty-transport-native-epoll-0:4.1.135-1.Final_redhat_00001.1.el7eap
- eap7-picketlink-bindings-0:2.5.5-30.SP12_redhat_00020.1.el7eap
- eap7-picketlink-federation-0:2.5.5-24.SP12_redhat_00016.1.el7eap
- eap7-undertow-0:2.2.40-2.SP3_redhat_00001.1.el7eap
- eap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el7eap
- eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el8eap
- eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el8eap
- eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el8eap
- eap7-jackson-annotations-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-core-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-databind-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-jaxrs-providers-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-modules-base-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-modules-java8-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jboss-remoting-0:5.0.31-3.SP2_redhat_00001.1.el8eap
- eap7-jboss-server-migration-0:1.10.0-46.Final_redhat_00044.1.el8eap
- eap7-netty-0:4.1.135-1.Final_redhat_00001.1.el8eap
- eap7-netty-transport-native-epoll-0:4.1.135-1.Final_redhat_00001.1.el8eap
- eap7-picketlink-bindings-0:2.5.5-30.SP12_redhat_00020.1.el8eap
- eap7-picketlink-federation-0:2.5.5-24.SP12_redhat_00016.1.el8eap
- eap7-undertow-0:2.2.40-1.SP3_redhat_00001.1.el8eap
- eap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el8eap
- eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el9eap
- eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el9eap
- eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el9eap
- eap7-jackson-annotations-0:2.18.8-1.redhat_00003.1.el9eap
- eap7-jackson-core-0:2.18.8-1.redhat_00003.1.el9eap
- RHSA-2026:53806
- RHSA-2026:53644
- RHSA-2026:53645
- RHSA-2026:53646
- RHSA-2026:70230
- RHSA-2026:70228
- RHSA-2026:70229
Official advisory · high-confidence parse· fetched 15 hours ago·verify at source
Mitigation
Upgrade to a fixed release: org.jboss.remoting/jboss-remoting:5.0.31.SP2-redhat-00001, eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el7eap, eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el7eap, eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el7eap, eap7-jackson-annotations-0:2.18.8-1.redhat_00003.1.el7eap, eap7-jackson-core-0:2.18.8-1.redhat_00003.1.el7eap. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 15 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.