Can you explain this vulnerability to me?

This vulnerability occurs in middleware that processes preflight requests containing an Access-Control-Request-Headers (ACRH) header with many commas. The middleware performs a large number of heap allocations when handling such requests, which can be exploited by attackers to create excessive load on the server.

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How can this vulnerability impact me? :

An attacker can exploit this vulnerability to cause a denial of service by overwhelming the middleware or server with malicious preflight requests that trigger excessive heap allocations, leading to resource exhaustion and potential service disruption.

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