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CAIQUM-9250: CVE-2023-1108: High CPU usage and GUI unresponsiveness on AIQUM 9.18 due to vulnerable Undertow 2.3.0.Final

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Issue

After upgrading to AIQUM  9.18 or later, the following symptoms may occur:

  • High CPU usage on the AIQUM Java/JBoss process
  • A single Undertow worker thread (for example default I/O-2) consumes approximately 100% of one CPU core continuously
  • AIQUM Web GUI is slow or partially unresponsive
  • The condition does not self-resolve and may require a service restart to recover
  • Excessive growth to audit-log.log during vulnerability scanning.

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