Polygon Labs has announced the official release of Bor v2.10.3, which fixes two medium-severity denial-of-service vulnerabilities in parallel block execution with BlockSTM V2. The issues were reported through the Immunefi bug bounty program. The new version also includes security improvements such as transaction filtering and RPC execution concurrency limits. Versions v2.10.1 and v2.10.2 are affected. No exploitation has been detected on the mainnet or testnet so far, and the upgrade does not require a hard fork.

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