CVE-2026-57220: RabbitMQ: Stream listener does not enforce configured frame-size limit during authentication, permitting unauth'd mem-exhaust DoS

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-15

Last Updated

2026-07-22

EPSS Score

0.97% (percentile: 58.8%)

Affected Products (1)

Other

• 21487-17084

Revision History

• 2026-07-15: Information published.
• 2026-07-22: Information published.