CVE-2026-67238 | RabbitMQ up to 4.2.6/4.3.0 Pid Codec rabbit_pid_codec:decompose_from_binary node-name heap-based overflow

A vulnerability, which was classified as problematic, was found in RabbitMQ up to 4.2.6/4.3.0. This affects the function rabbit_pid_codec:decompose_from_binary of the component Pid Codec. Such manipulation of the argument node-name leads to heap-based buffer overflow.

This vulnerability is listed as CVE-2026-67238. The attack may be performed from remote. There is no available exploit.

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