Elasticsearch uncontrolled resource consumption

CVE-2023-31418

What is CVE-2023-31418?

A vulnerability has been identified in Elasticsearch where unauthenticated users can disrupt the service. By sending a series of malformed HTTP requests, an attacker can trigger an OutOfMemory error causing the Elasticsearch node to terminate unexpectedly. Elastic Engineering has confirmed this issue but has found no evidence of exploitation in active environments. It is crucial for users to apply the necessary updates to mitigate this risk.

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References