Bug 2524713 (CVE-2026-79921)

Summary:	CVE-2026-79921 github.com/rabbitmq/amqp091-go: amqp091-go: Denial of Service via oversized AMQP payloads
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	aazores, aruklets, cmah, dhanak, doconnor, drosa, dsimansk, eaguilar, ebaron, eglynn, gparvin, jjoyce, jmatsuok, jpretori, jschluet, jtolenti, kingland, lhh, mburns, mgarciac, mnovotny, pjindal, rhaigner, sausingh
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in amqp091-go, a Go AMQP 0.9.1 client. A malicious AMQP broker could exploit this by sending oversized data frames, forcing the client to allocate excessive memory. This can lead to unexpected memory consumption and potentially cause the application to become unavailable, resulting in a Denial of Service (DoS).	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-08-26 21:02:19 UTC

amqp091-go is a Go AMQP 0.9.1 client. Before version 1.13.0, a compromised or malicious AMQP broker can force the client to allocate resources for and process content body frames that exceed the negotiated frame_max limit. This can lead to unexpected memory consumption or application-layer denial of service (DoS), bypassing the protocol's built-in framing constraints. Version 1.13.0 contains a fix. No known workarounds are available.