bnb-chain/bsc - v1.6.6 New

Published: Jan 14, 2026

Release Summary

This is a critical security release that all node operators are strongly recommended to install.

This version incorporates crucial security patches from go-ethereum v1.16.8, addressing two vulnerabilities in the P2P layer.

Security Fixes:

The first vulnerability involved a potential memory leak. A malicious peer could send a transaction with an invalid KZG proof, causing the receiving node to leak a small amount of memory. This fix prevents the leak by dropping peers that send such invalid proofs.

The second issue could have allowed a malformed P2P protocol handshake message to crash a node. The patch corrects the handling of ECIES encryption parameters (using the correct AES blocksize) to prevent this potential crash scenario.

Release Notes

This release ports critical security fixes from go-ethereum [v1.16.8](https://github.com/ethereum/go-ethereum/releases/tag/v1.16.8), resolving two P2P vulnerabilities.
It is recommended for all users.

## Changelog

### BUGFIX
core/txpool: drop peers on invalid KZG proofs
crypto/ecies: use aes blocksize



## Assets

|    Assets    | Sha256 Checksum  |
| :-----------: |------------|
| mainnet.zip | 522cb9902437df2368008b28bebb6b5c35ec026bf2ec41af40117ff507f53fa7 |
| testnet.zip | 0d9de8b7f1bafc36711eed80e97bf33f906fadc2ceb5457361645941d7ad19f7 |
| geth_linux | fbdb8ef71be5cb392e689a8d54dea10667feaaa03d2889173263a0dd209877e0 |
| geth_mac  | 50c1144d2d48c20c5f3f2896e7f4878ef6df26e41910248684de1a6a1b9f8fd7 |
| geth_windows  | 31f620d87d02d167ae443387ccc92b8c8995786116d4573c50080012d46adf4d |
| geth_linux_arm64  | 6ebd4b8fcfc6fe0a141df8d445fccdc2d5b25ea321763cfd59f06a5597ce7105 |

Links

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