RLSA-2026:98467: Important: librabbitmq security update
The librabbitmq packages provide an Advanced Message Queuing Protocol (AMQP) client library that allows you to communicate with AMQP servers using protocol version 0-9-1.
Security Fix(es):
rabbitmq-c: rabbitmq-c: Heap buffer overflow leading to denial of service (CVE-2026-44236)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
rocky-linux/librabbitmqto a version that resolves this vulnerability.Fixed in 0:0.11.0-7.el9_8.1
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The CVSS vector indicates network access is required, no privileges are required, and user interaction is required. The attack complexity is rated low.
What is the expected security impact?
The reported heap buffer overflow can lead to denial of service. The CVSS vector reports no confidentiality or integrity impact and a high availability impact.
Which deployments are relevant?
Deployments using the Rocky Linux librabbitmq packages are relevant. The package provides an AMQP 0-9-1 client library used by applications to communicate with AMQP servers.