Polygon Implements Hard Forks to Patch DoS and Validator Vulnerabilities

Polygon has successfully patched multiple security vulnerabilities through two recent hard forks. The Austin hard fork (v2.10.0) for the Bor client addressed two denial-of-service risks, while the Kyoto hard fork (v0.11.0) for the Heimdall client strengthened the consensus layer. The most critical issue involved a lack of depth limits in nested protobuf.Any, which could have allowed unauthorized parties to force excessive computational costs on the validator set. Polygon followed a responsible disclosure process, patching the issues before publicly detailin