CVE-2025-54873 RISC Zero Underconstrained Vulnerability: Division

RISC Zero is a zero-knowledge verifiable general computing platform based on zk-STARKs and the RISC-V microarchitecture. RISC packages risc0-zkvm versions 2.0.0 through 2.1.0 and risc0-circuit-rv32im and risc0-circuit-rv32im-sys versions 2.0.0 through 2.0.4 contain vulnerabilities where signed...

CVE-2025-54873 RISC Zero Underconstrained Vulnerability: Division

RISC Zero is a zero-knowledge verifiable general computing platform based on zk-STARKs and the RISC-V microarchitecture. RISC packages risc0-zkvm versions 2.0.0 through 2.1.0 and risc0-circuit-rv32im and risc0-circuit-rv32im-sys versions 2.0.0 through 2.0.4 contain vulnerabilities where signed...

CVE-2025-54873

Summary (CVE-2025-54873) : RISC Zero’s zkVM platform and related circuit packages contain a bug in signed integer division that can produce multiple outputs for some inputs (only one valid) and causes division-by-zero results to be underconstrained. Affected versions are: risc0-zkvm 2.0.0–2.1.0; ...