CVE-2026-57220 | RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, the RabbitMQ stream listener does not enforce the configured stream frame-size limit while assembling frames during authentication and before Tune negotiation, allowing an unauthenticated remote client to declare oversized frame lengths and consume broker memory in rabbit_stream_core. This issue is fixed in version 4.2.6.
RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, the RabbitMQ stream listener does not enforce the configured stream frame-size limit while assembling frames during authentication and before Tune negotiation, allowing an unauthenticated remote client to declare oversized frame lengths and consume broker memory in rabbit_stream_core. This issue is fixed in version 4.2.6.
- 🔗 github.com/rabbitmq/rabbitmq-server/security/advisor…
- 🔗 github.com/rabbitmq/rabbitmq-server/pull/16171
- 🔗 github.com/rabbitmq/rabbitmq-server/pull/16173
- 🔗 github.com/rabbitmq/rabbitmq-server/commit/595ec28fa…
- 🔗 github.com/rabbitmq/rabbitmq-server/commit/773a49c49…
- 🔗 github.com/rabbitmq/rabbitmq-server/releases/tag/v4.…
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CVE-2026-57220 | RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, the RabbitMQ stream listener does not enforce the configured stream frame-size limit while assembling frames during authentication and before Tune negotiation, allowing an unauthenticated remote client to declare oversized frame lengths and consume broker memory in rabbit_stream_core. This issue is fixed in version 4.2.6.
RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, the RabbitMQ stream listener does not enforce the configured stream frame-size limit while assembling frames during authentication and before Tune negotiation, allowing an unauth