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Polygon patched security flaws in two hard forks before public disclosure

Polygon says the Austin and Kyoto hard forks closed denial-of-service and consensus-hardening issues on Bor and Heimdall clients before the fixes were disclosed.

Reported · Written up by our desk · Market Structure

Polygon has said it addressed security vulnerabilities via two hard forks, Austin and Kyoto, deploying the updates on its Bor and Heimdall clients before making the details public.

According to Decrypt, the Polygon changes were designed to close denial-of-service issues and strengthen consensus behavior, and Polygon said the vulnerabilities were never exploited.

The outlet reports the hard forks were carried out quietly and later disclosed, with Polygon characterizing the fixes as proactive security hardening rather than a response to an active incident.

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