CVE-2026-44714

The bitcoinj library is a Java implementation of the Bitcoin protocol. Prior to 0.17.1, ScriptExecution.correctlySpends contains two fast-path verification bugs for standard P2PKH and native P2WPKH spends in core/src/main/java/org/bitcoinj/script/ScriptExecution.java. In both branches, bitcoinj...

EUVD-2026-30571

The bitcoinj library is a Java implementation of the Bitcoin protocol. Prior to 0.17.1, ScriptExecution.correctlySpends contains two fast-path verification bugs for standard P2PKH and native P2WPKH spends in core/src/main/java/org/bitcoinj/script/ScriptExecution.java. In both branches, bitcoinj...

CVE-2026-44714: Improper Verification of Cryptographic Signature

The bitcoinj library is a Java implementation of the Bitcoin protocol. Prior to 0.17.1, ScriptExecution.correctlySpends contains two fast-path verification bugs for standard P2PKH and native P2WPKH spends in core/src/main/java/org/bitcoinj/script/ScriptExecution.java. In both branches, bitcoinj...

PT-2026-25113

Overview P2PKH has 20 bytes just like P2SH. We protect against revealing P2PKH deposits by manually assembling the expected P2SH script in the smart contract and comparing hashes. However, we missed the case when the attacker embeds a valid P2SH inside of P2PKH as an output script. bitcoin-spv...

Undefined Behavior in zencashjs

Versions of zencashjs prior to 1.2.0 may cause loss of funds when used with cryptocurrency wallets. The package relies on a string comparison of the first two characters of a Horizen address to determine the destination address type of a transaction P2PKH or P2SH. Due to the base58 address prefix...

Insecure String Comparison

zencashjs uses an insecure string comparison. This is due to a clash of address prefixes for testnet P2PKH and mainnet P2SH addresses. The package interprets transactions sent to a zt P2SH address on mainnet as P2PKH transactions erroneously. Any funds sent to a mainnet P2SH multisignature addres...