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Fencer Intel
high 7.5

CVE-2026-92550 json

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

published last mo. modified last mo. also EUVD-2026-86587

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

A 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.

Patch / fix

  • org.apache.qpid qpid-broker-plugins-amqp-0-8-protocol 10.1.1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-92550 updated cvss 7.5

qpid-java: org.apache.qpid/qpid-broker-plugins-amqp-0-8-protocol: Apache Qpid Broker-J: Denial of Service via excessive memory allocation in AMQP decoder

  • Red Hat Fuse 7 qpid-broker-plugins-amqp-0-8-protocol 6.1.2
    not affected: component not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
last mo.

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Apache Software Foundation Apache Qpid Broker-J

Classification

Weakness
  • CWE-789 Memory Allocation with Excessive Size Value

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.