Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum permitted concurrent streams. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106. Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue.
This issue has been addressed in the following products: Red Hat JBoss Web Server 5.8 on RHEL 7 Red Hat JBoss Web Server 5.8 on RHEL 8 Red Hat JBoss Web Server 5.8 on RHEL 9 Via RHSA-2025:11695 https://access.redhat.com/errata/RHSA-2025:11695
This issue has been addressed in the following products: Red Hat JBoss Web Server 5.8.5 Via RHSA-2025:11696 https://access.redhat.com/errata/RHSA-2025:11696
This issue has been addressed in the following products: Red Hat JBoss Web Server 6.1 on RHEL 10 Red Hat JBoss Web Server 6.1 on RHEL 8 Red Hat JBoss Web Server 6.1 on RHEL 9 Via RHSA-2025:11741 https://access.redhat.com/errata/RHSA-2025:11741
This issue has been addressed in the following products: Red Hat JBoss Web Server 6.1.1 Via RHSA-2025:11742 https://access.redhat.com/errata/RHSA-2025:11742
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:14178 https://access.redhat.com/errata/RHSA-2025:14178
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:14179 https://access.redhat.com/errata/RHSA-2025:14179
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat Enterprise Linux 8.8 Telecommunications Update Service Via RHSA-2025:14182 https://access.redhat.com/errata/RHSA-2025:14182
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2025:14177 https://access.redhat.com/errata/RHSA-2025:14177
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2025:14181 https://access.redhat.com/errata/RHSA-2025:14181
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2025:14183 https://access.redhat.com/errata/RHSA-2025:14183
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2025:14180 https://access.redhat.com/errata/RHSA-2025:14180