GHSA-HFCF-V2F8-X9PC bitcoinj has a ScriptExecution P2PKH/P2WPKH Verification Bypass

Summary 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 verifies an attacker-controlled signature/public-key pair but fails to verify tha...

PT-2026-39293

Name of the Vulnerable Software and Affected Versions bitcoinj versions prior to 0.17.1 Description The correctlySpends function in core/src/main/java/org/bitcoinj/script/ScriptExecution.java contains two fast-path verification bugs affecting standard P2PKH Pay-to-PubKey-Hash and native P2WPKH...