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CVE-2026-598787.5HighCWE-20

Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All: AMQP NIO negative frame size validation bypass leading to DoS

Apache Software Foundation · Apache ActiveMQ AMQP

Not in CISA KEVVendor fix available
0.8%probability of exploitation in the next 30 days
55th percentile
050100

Higher than 55% of scored CVEs

7.5HighCVSS
LowHigh

DescriptionNVD

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.

Coverage1 article · 1 outlet

First in our coverage: SecurityOnline, 28 Jul.

  1. Apache ActiveMQ Patches Authorization Bypass and DoS Flaws
    SecurityOnline · first in our coverage · mentions it in passing

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References

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