Polygon Patches Bugs That Let Valid Transactions Slow Nodes
Photo: Coindoo
Key Takeaways Two BlockSTM V2 bugs could consume disproportionate node resources. Serial execution could finish while costly parallel work continued. Polygon patched operators privately before its public disclosure. Polygon reports no known exploitation on mainnet or Amoy. The technical review concerns BlockSTM V2, the parallel execution system in Polygon PoS’s Bor client. The bugs did not change transaction results or threaten consensus. Their risk was availability: a node could calculate the correct result yet spend too long processing a block to keep up with the network.
Source: Coindoo
