CVE-2026-57220
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| rabbitmq | rabbitmq-server | >= 4.2.0, < 4.2.6 | affected |
Weaknesses
- CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling
References
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-f364-87q5-j35q
- https://github.com/rabbitmq/rabbitmq-server/pull/16171
- https://github.com/rabbitmq/rabbitmq-server/pull/16173
- https://github.com/rabbitmq/rabbitmq-server/commit/595ec28fa1621b1f2c28124e4e0466a8ad963547
- https://github.com/rabbitmq/rabbitmq-server/commit/773a49c4921e8be990262a2d609c35916825679e
- https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6
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