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...

ANT-2026-D7FC4YDQ · rabbitmq-c · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-D7FC4YDQ: Heap-buffer-overflow in rabbitmq-c libFuzz...