CVE-2026-44236

A flaw was found in rabbitmq-c. A malicious AMQP Advanced Message Queuing Protocol server or an on-path attacker can send an undersized frame size during the login handshake. This can lead to a heap buffer overflow, causing memory corruption and potentially a denial of service. Code execution is...

CVE-2026-44235

A flaw was found in rabbitmq-c, a C-language AMQP Advanced Message Queuing Protocol client library. A malicious AMQP server or an on-path attacker can send an undersized HEADER or METHOD frame during client login, leading to an unsigned sizet underflow. This underflow causes an out-of-bounds read...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: librabbitmq (UTSA-2023-002168)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-002168 advisory. An issue was discovered in the C AMQP client library aka rabbitmq-c through 0.13.0 for RabbitMQ. Credentials can only be entered on the command line e.g., for...

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.framemax value during amqplogin, and rabbitmq-c accepts the value in amqplogininner in librabbitmq/amqpsocket.c. amqptuneconnection in...

CVE-2026-44235

rabbitmq-c is a C-language AMQP client library for RabbitMQ. Prior to 0.16.0, a malicious AMQP server can send an undersized HEADER or METHOD frame during client login and cause unsigned sizet underflow in amqphandleinput in librabbitmq/amqpconnection.c. The parser subtracts HEADERSIZE, fixed...

EUVD-2026-82333

rabbitmq-c is a C-language AMQP client library for RabbitMQ. Prior to 0.16.0, a malicious AMQP server can send an undersized HEADER or METHOD frame during client login and cause unsigned sizet underflow in amqphandleinput in librabbitmq/amqpconnection.c. The parser subtracts HEADERSIZE, fixed...

CVE-2026-44235 rabbitmq-c: size_t underflow in AMQP frame length computation leads to out-of-bounds read

rabbitmq-c is a C-language AMQP client library for RabbitMQ. Prior to 0.16.0, a malicious AMQP server can send an undersized HEADER or METHOD frame during client login and cause unsigned sizet underflow in amqphandleinput in librabbitmq/amqpconnection.c. The parser subtracts HEADERSIZE, fixed...

CVE-2026-44235

rabbitmq-c (a C-language AMQP client library) prior to 0.16.0 contains an unsigned size_t underflow in amqp_handle_input() (librabbitmq/amqp_connection.c). A malicious AMQP server can send an undersized HEADER or METHOD frame during client login, causing the computed encoded.len to wrap to 0xffff...

CVE-2026-44235 rabbitmq-c: size_t underflow in AMQP frame length computation leads to out-of-bounds read

rabbitmq-c is a C-language AMQP client library for RabbitMQ. Prior to 0.16.0, a malicious AMQP server can send an undersized HEADER or METHOD frame during client login and cause unsigned sizet underflow in amqphandleinput in librabbitmq/amqpconnection.c. The parser subtracts HEADERSIZE, fixed...

CVE-2026-44235 rabbitmq-c: size_t underflow in AMQP frame length computation leads to out-of-bounds read

rabbitmq-c is a C-language AMQP client library for RabbitMQ. Prior to 0.16.0, a malicious AMQP server can send an undersized HEADER or METHOD frame during client login and cause unsigned sizet underflow in amqphandleinput in librabbitmq/amqpconnection.c. The parser subtracts HEADERSIZE, fixed...

CVE-2026-44236 rabbitmq-c: Heap buffer overflow in AMQP login handshake via undersized connection.tune.frame_max

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.framemax value during amqplogin, and rabbitmq-c accepts the value in amqplogininner in librabbitmq/amqpsocket.c. amqptuneconnection in...

CVE-2026-44236 rabbitmq-c: Heap buffer overflow in AMQP login handshake via undersized connection.tune.frame_max

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.framemax value during amqplogin, and rabbitmq-c accepts the value in amqplogininner in librabbitmq/amqpsocket.c. amqptuneconnection in...

EUVD-2026-82332

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.framemax value during amqplogin, and rabbitmq-c accepts the value in amqplogininner in librabbitmq/amqpsocket.c. amqptuneconnection in...

CVE-2026-44236 rabbitmq-c: Heap buffer overflow in AMQP login handshake via undersized connection.tune.frame_max

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.framemax value during amqplogin, and rabbitmq-c accepts the value in amqplogininner in librabbitmq/amqpsocket.c. amqptuneconnection in...

CVE-2026-44236

rabbitmq-c is a C-language AMQP client library for RabbitMQ. Prior to 0.16.0 , a malicious or compromised AMQP server can send an undersized connection.tune.frame_max value (e.g., 1 byte) during the amqp_login() handshake. The library accepts the value in amqp_login_inner() and uses it in amqp_tu...

CVE-2026-44235: Out-of-bounds Read

rabbitmq-c is a C-language AMQP client library for RabbitMQ. Prior to 0.16.0, a malicious AMQP server can send an undersized HEADER or METHOD frame during client login and cause unsigned sizet underflow in amqphandleinput in librabbitmq/amqpconnection.c. The parser subtracts HEADERSIZE, fixed...

CVE-2026-44236: Heap-based Buffer Overflow

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.framemax value during amqplogin, and rabbitmq-c accepts the value in amqplogininner in librabbitmq/amqpsocket.c. amqptuneconnection in...

Astra Linux – Vulnerability in librabbitmq

A vulnerability was discovered in the C AMQP client library also known as rabbitmq-c for RabbitMQ in versions up to 0.13.0. credentials can only be entered via the command line e.g., for amqp-publish or amqp-consume, and therefore they are visible to local attackers who can list processes along...

Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS / Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS : rabbitmq-c vulnerabilities (USN-8724-1)

The remote Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS / Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8724-1 advisory. It was discovered that the rabbitmq-c...

USN-8724-1: rabbitmq-c vulnerabilities

It was discovered that the rabbitmq-c command-line tools only accepted credentials on the command line, making them visible to other local users through the process list. An attacker could possibly use this to obtain sensitive credentials. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04...