It was found that EAP-7 would permit deserialization of certain classes, HashMap and HashTable, which could eventually exhaust the heap. An attacker could use this to conduct a Denial of Service attack targeting these classes.
This issue has been addressed in the following products: EAP 7.4.13 Via RHSA-2023:5488 https://access.redhat.com/errata/RHSA-2023:5488
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7 Via RHSA-2023:5484 https://access.redhat.com/errata/RHSA-2023:5484
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8 Via RHSA-2023:5485 https://access.redhat.com/errata/RHSA-2023:5485
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9 Via RHSA-2023:5486 https://access.redhat.com/errata/RHSA-2023:5486
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7 Via RHSA-2024:10208 https://access.redhat.com/errata/RHSA-2024:10208
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7 Via RHSA-2024:10207 https://access.redhat.com/errata/RHSA-2024:10207