CVE-2024-32647

Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, using the createfromblueprint builtin can result in a double eval vulnerability when rawargs=True and the args argument has side-effects. It can be seen that the buildcreateIR function of t...

CVE-2023-41052

Vyper is a Pythonic Smart Contract Language. In affected versions the order of evaluation of the arguments of the builtin functions uint256addmod, uint256mulmod, ecadd and ecmul does not follow source order. This behaviour is problematic when the evaluation of one of the arguments produces side...

Insufficient Control Flow Management

Overview vyper is a Pythonic Smart Contract Language for the EVM. Affected versions of this package are vulnerable to Insufficient Control Flow Management through the slice function. An attacker can bypass the evaluation of side effects in the start argument when the length argument is set to 0,...

Vyper's `slice()` may elide side-effects when output length is 0

Impact the slice builtin can elide side effects when the output length is 0, and the source bytestring is a builtin msg.data or .code. the reason is that for these source locations, the check that length = 1 is skipped:...

GHSA-3VCG-J39X-CWFM Vyper's `slice()` may elide side-effects when output length is 0

Impact the slice builtin can elide side effects when the output length is 0, and the source bytestring is a builtin msg.data or .code. the reason is that for these source locations, the check that length = 1 is skipped:...

Insufficient Control Flow Management

Overview vyper is a Pythonic Smart Contract Language for the EVM. Affected versions of this package are vulnerable to Insufficient Control Flow Management through optimization in the concat function. An attacker can skip evaluation of side effects when the length of an argument provided to the...

GHSA-QHR6-MGQR-MCHM Vyper's `concat()` builtin may elide side-effects for zero-length arguments

Impact concat may skip evaluation of side effects when the length of an argument is zero. this is due to a fastpath in the implementation which skips evaluation of argument expressions when their length is zero:...

Vyper's `concat()` builtin may elide side-effects for zero-length arguments

Impact concat may skip evaluation of side effects when the length of an argument is zero. this is due to a fastpath in the implementation which skips evaluation of argument expressions when their length is zero:...

CVE-2025-47285

Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, concat may skip evaluation of side effects when the length of an argument is zero. This is due to a fastpath in the implementation which skips evaluation of argument expressions...

CVE-2025-47774

Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, the slice builtin can elide side effects when the output length is 0, and the source bytestring is a builtin msg.data or .code. The reason is that for these source locations, the...

CVE-2025-47774

CVE-2025-47774 relates to Vyper (Pythonic language for the EVM). The issue affects Vyper versions up to and including 0.4.2rc1 where slice() can elide side effects when length is 0 for certain source bytestrings (e.g., msg.data or .code). The root cause is that the length >= 1 check is skipped...

CVE-2025-47774 Vyper's `slice()` may elide side-effects when output length is 0

Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, the slice builtin can elide side effects when the output length is 0, and the source bytestring is a builtin msg.data or .code. The reason is that for these source locations, the...

CVE-2025-47774 Vyper's `slice()` may elide side-effects when output length is 0

Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, the slice builtin can elide side effects when the output length is 0, and the source bytestring is a builtin msg.data or .code. The reason is that for these source locations, the...

CVE-2025-47774 Vyper's `slice()` may elide side-effects when output length is 0

Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, the slice builtin can elide side effects when the output length is 0, and the source bytestring is a builtin msg.data or .code. The reason is that for these source locations, the...

CVE-2025-47285 Vyper's `concat()` builtin may elide side-effects for zero-length arguments

Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, concat may skip evaluation of side effects when the length of an argument is zero. This is due to a fastpath in the implementation which skips evaluation of argument expressions...

CVE-2025-47285

CVE-2025-47285 affects Vyper up to and including 0.4.2rc1, where the built-in concat() may skip evaluation of side effects when an argument has zero length due to a fastpath in the implementation. The issue arises because argument expressions with zero length may bypass evaluation, which could su...

CVE-2025-47285 Vyper's `concat()` builtin may elide side-effects for zero-length arguments

Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, concat may skip evaluation of side effects when the length of an argument is zero. This is due to a fastpath in the implementation which skips evaluation of argument expressions...

CVE-2025-47285 Vyper's `concat()` builtin may elide side-effects for zero-length arguments

Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, concat may skip evaluation of side effects when the length of an argument is zero. This is due to a fastpath in the implementation which skips evaluation of argument expressions...

Vyper 安全漏洞

Vyper is a Pythonic smart contract language for EVM open sourced by vyperlang. A security vulnerability exists in Vyper 0.4.2rc1 and earlier versions, which stems from a slice function that may skip side-effect evaluation when the output length is zero...

Vyper 安全漏洞

Vyper is a Pythonic smart contract language for EVM open sourced by vyperlang. A security vulnerability exists in Vyper 0.4.2rc1 and earlier versions, which stems from concat potentially skipping side-effect evaluation when the parameter length is zero...