The following data is constructed from data provided by Red Hat's json file at:
https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_5946.json
Red Hat officially shut down their mailing list notifications October 10, 2023.  Due to this, Packet Storm has recreated the below data as a reference point to raise awareness.  It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.
- Packet Storm Staff
====================================================================
Red Hat Security Advisory
Synopsis:           Important: Red Hat AMQ Broker 7.11.3 release and security update
Advisory ID:        RHSA-2023:5946-01
Product:            Red Hat JBoss AMQ
Advisory URL:       https://access.redhat.com/errata/RHSA-2023:5946
Issue date:         2023-10-19
Revision:           01
CVE Names:          CVE-2023-34462
====================================================================
Summary: 
Red Hat AMQ Broker 7.11.3 is now available from the Red Hat Customer Portal.
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:
AMQ Broker is a high-performance messaging implementation based on ActiveMQ Artemis. It uses an asynchronous journal for fast message persistence, and supports multiple languages, protocols, and platforms.
This release of Red Hat AMQ Broker 7.11.3 includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section.
Security Fix(es):
* (CVE-2023-44487) HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)
NOTE: A Red Hat Security Bulletin which addresses further details about this flaw is available in the References section.
* (CVE-2023-34462) netty: io.netty:netty-handler: SniHandler 16MB allocation
* (CVE-2023-40167) jetty: Improper validation of HTTP/1 content-length
* (CVE-2023-41080) tomcat: Open Redirect vulnerability in FORM authentication
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Solution:
https://access.redhat.com/articles/11258
CVEs:
CVE-2023-34462
References:
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/RHSB-2023-003
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=distributions&product=jboss.amq.broker&version=7.11.3
https://access.redhat.com/documentation/en-us/red_hat_amq_broker/7.11