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CVE-2026-59878

HIGH
7.5
CVSS 3.1
Description
Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All. A remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done rapidly enough can lead to exhaustion of the NIO thread pool denying service to other connections. This issue affects Apache ActiveMQ AMQP: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ All: before 5.19.9, from 6.0.0 before 6.2.8. Users are recommended to upgrade to version 5.19.9, 6.2.8, or 6.3.0 which fixes the issue.

Metadata

CVE ID
CVE-2026-59878
State
PUBLISHED
Assigner
apache
Reserved
2026-07-07 16:19 UTC
Published
2026-07-28 13:33 UTC
Last updated
2026-07-28 14:05 UTC
Primary CWE
CWE-20
CWE-20 Improper Input Validation
Vendor / Product
Apache Software Foundation / Apache ActiveMQ AMQP
Sources
cve.org  ·  NVD

Severity & Metrics

7.5 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
partial
Affected products (3)
VendorProductPlatformVersions
Apache Software Foundation Apache ActiveMQ — 0 < 5.19.9, 6.0.0 < 6.2.8
Apache Software Foundation Apache ActiveMQ All — 0 < 5.19.9, 6.0.0 < 6.2.8
Apache Software Foundation Apache ActiveMQ AMQP — 0 < 5.19.9, 6.0.0 < 6.2.8
Weakness (CWE)
CWESourceDescription
CWE-20 cna CWE-20 Improper Input Validation
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.5 HIGH 3.1 adp CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References (1)
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