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
EPSS Score
0.52% (percentile: 40.4%)

Affected Products (1)

Open Source Software

  • azl3 rabbitmq-server 3.13.7-6 on Azure Linux 3.0

Revision History

  • 2026-07-15: Information published.