RHSA-2026:82094HighCVSS 6.5

Red Hat Security Advisory: librabbitmq security update

Published
October 13, 2026
Last Modified
October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-44236 →

📋 Description

CVE-2026-44236 — rabbitmq-c: rabbitmq-c: Heap buffer overflow leading to denial of service

🎯 Affected products47

  • Red Hat Enterprise Linux AppStream (v. 9)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-0:0.11.0-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-0:0.11.0-7.el9_8.1.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-0:0.11.0-7.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-0:0.11.0-7.el9_8.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-0:0.11.0-7.el9_8.1.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-0:0.11.0-7.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.i686 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debuginfo-0:0.11.0-7.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.i686 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • librabbitmq-debugsource-0:0.11.0-7.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-devel-0:0.11.0-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • librabbitmq-devel-0:0.11.0-7.el9_8.1.i686 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • +17 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: To mitigate this issue, ensure that `rabbitmq-c` clients only connect to trusted AMQP servers. Additionally, enforce the use of TLS/SSL for all AMQP communication to prevent on-path attackers from exploiting this vulnerability against plaintext traffic. Consult your AMQP server and client documentation for specific configuration steps to enable and enforce TLS/SSL.

🔗 References (4)