Posted by Christopher L. Shannon on Nov 03 Severity: important Affected versions: - Apache ActiveMQ 6.0.0 before 6.3.3 - Apache ActiveMQ before 5.19.12 - Apache ActiveMQ KahaDB 6.0.0 before 6.3.3 - Apache ActiveMQ KahaDB before 5.19.12 Description: Improper input validation vulnerability in Apache ActiveMQ, Apache ActiveMQ KahaDB.
CVE-2026-111821: Apache ActiveMQ, Apache ActiveMQ KahaDB: Oversized client identifier strings poison the KahaDB journal
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