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ALSA-2026:75582 — Important: librabbitmq security update

Affected: AlmaLinux:8: librabbitmq-devel

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.

bdu:2026-14892

EUVD-2026-373329

fkie_cve-2026-44236

rabbitmq-c is a C-language AMQP client library for RabbitMQ. Prior to 0.16.0, a malicious AMQP server can send an undersized connection.tune.frame_max value during amqp_login(), and rabbitmq-c accepts the value in amqp_login_inner() in librabbitmq/amqp_socket.c. amqp_tune_connection() in librabbitmq/amqp_connection.c uses frame_max to reallocate the outbound buffer without enforcing AMQP_FRAME_MIN_SIZE. Immediate serialization of connection.tune-ok through amqp_frame_to_bytes() writes beyond the undersized heap allocation, causing memory corruption and likely denial of service. An on-path attacker can also trigger the flaw against plaintext AMQP traffic. Code execution is theoretically possible but was not demonstrated. This issue is fixed in version 0.16.0.

OESA-2026-2713 — librabbitmq security update

Affected: openEuler:20.03-LTS-SP4: librabbitmq, openEuler:22.03-LTS-SP4: librabbitmq, openEuler:24.03-LTS-SP1: librabbitmq, openEuler:24.03-LTS-SP3: librabbitmq

This is a C-language AMQP client library for use with AMQP servers speaking protocol versions 0-9-1. Security Fix(es):

(CVE-2026-44235)

(CVE-2026-44236)

RHSA-2026:75582 — security update for librabbitmq

security update for librabbitmq

RLSA-2026:75582 — Important: librabbitmq security update

Affected: Rocky Linux:8: librabbitmq

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.

UBUNTU-CVE-2026-44236

Affected: Ubuntu:Pro:14.04:LTS: librabbitmq, Ubuntu:Pro:16.04:LTS: librabbitmq, Ubuntu:Pro:18.04:LTS: librabbitmq, Ubuntu:Pro:20.04:LTS: librabbitmq, Ubuntu:22.04:LTS: librabbitmq, Ubuntu:24.04:LTS: librabbitmq, Ubuntu:25.10: librabbitmq, Ubuntu:26.04:LTS: librabbitmq