Apache Qpid Broker-J: Type size/count handling can lead to excessive allocation pre-authentication in the AMQP 0-8/0-9/0-9-1 decoder

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-92550
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 09:17:06 UTC
Updated2026-09-25 13:17:17 UTC
DescriptionA pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service. This issue affects Apache Qpid Broker-J: through 10.1.0. Users are recommended to upgrade to version 10.1.1, which fixes the issue.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

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

Problem Types: CWE-789 | CWE-789 CWE-789 Memory allocation with excessive size value

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Qpid Broker-J affected 10.1.0 semver Not specified

References

ReferenceSourceLinkTags
lists.apache.org/thread/56w1kxz9h23q364ffyvj7cssdhnld5dq [email protected] lists.apache.org
www.openwall.com/lists/oss-security/2026/09/24/12 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Khaled Suliman of AISLE Research (en)

CNA: n0mi1k (en)

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