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Signature forgery: CPubKey.verify() accepts forged ECDSA signatures

Status: Open.

#324In petertodd/python-bitcoinlib;

· 1440000bytes opened on Aug 9, 2026

Four defects in the test vectors: pre-BIP350 bech32, CPubKey('00'), non-canonical VarInt, and a mislabelled block

Status: Open.

#323In petertodd/python-bitcoinlib;

· fametrano opened on Aug 2, 2026

msg_headers deserializer misaligns against real peers (skips trailing tx-count varint)

Status: Open.

#320In petertodd/python-bitcoinlib;

· djdarcy opened on May 15, 2026

TypeError when OpenSSL library is not found on Windows

Status: Open.

#316In petertodd/python-bitcoinlib;

· NeuralSynth opened on Feb 10, 2026

Not decoding OP_PUSHBYTES (e.g. OP_PUSHBYTES_32)

Status: Open.

#310In petertodd/python-bitcoinlib;

· kenorb opened on Jun 24, 2025

Failed to parse valid transaction

Status: Open.

#303In petertodd/python-bitcoinlib;

· su-sd opened on Aug 12, 2024

Wrong TxID returned after parsing transaction

Status: Open.

#302In petertodd/python-bitcoinlib;

· su-sd opened on Aug 10, 2024

CScript.witness_version() should call CSriptOp.decode_op_n() on the value before returning

Status: Open.

#298In petertodd/python-bitcoinlib;

· dgpv opened on Jan 19, 2024

Bug in signature serialize/deserialize

Status: Open.

#295In petertodd/python-bitcoinlib;

· krisk0 opened on Dec 12, 2023

how to parse msg_version

Status: Open.

#290In petertodd/python-bitcoinlib;

· st3b1t opened on May 31, 2023

Support creating a Schnorr Signature given a message

Status: Open.

#278In petertodd/python-bitcoinlib;

· cjackie opened on Jul 30, 2022

Not find module 'libeay32' , win10

Status: Open.

#272In petertodd/python-bitcoinlib;

· lijixy opened on Mar 29, 2022