Design/Logic Flaw

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. In version 0.3.9 and prior, under certain conditions, the memory used by the builtins rawcall, createfromblueprint and createcopyof can be corrupted. For rawcall, the argument buffer of the call can be corrupted,...

PYSEC-2023-305

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. Starting in version 0.2.9 and prior to version 0.3.10, locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. This issue is fixed in version 0.3.10. As a workaround, ensure...

PYSEC-2023-306

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. In version 0.3.9 and prior, under certain conditions, the memory used by the builtins rawcall, createfromblueprint and createcopyof can be corrupted. For rawcall, the argument buffer of the call can be corrupted,...

PYSEC-2023-305

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. Starting in version 0.2.9 and prior to version 0.3.10, locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. This issue is fixed in version 0.3.10. As a workaround, ensure...

CVE-2023-42443 Vyper vulnerable to memory corruption in certain builtins utilizing `msize`

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. In version 0.3.9 and prior, under certain conditions, the memory used by the builtins rawcall, createfromblueprint and createcopyof can be corrupted. For rawcall, the argument buffer of the call can be corrupted,...

CVE-2023-42443

Vyper

CVE-2023-42443 Vyper vulnerable to memory corruption in certain builtins utilizing `msize`

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. In version 0.3.9 and prior, under certain conditions, the memory used by the builtins rawcall, createfromblueprint and createcopyof can be corrupted. For rawcall, the argument buffer of the call can be corrupted,...

CVE-2023-42443 Vyper vulnerable to memory corruption in certain builtins utilizing `msize`

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. In version 0.3.9 and prior, under certain conditions, the memory used by the builtins rawcall, createfromblueprint and createcopyof can be corrupted. For rawcall, the argument buffer of the call can be corrupted,...

CVE-2023-42441 Vyper has incorrect re-entrancy lock when key is empty string

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. Starting in version 0.2.9 and prior to version 0.3.10, locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. This issue is fixed in version 0.3.10. As a workaround, ensure...

CVE-2023-42441

CVE-2023-42441 affects the Vyper language. From versions 0.2.9 up to, but not including, 0.3.10, locks using @nonreentrant("") or @nonreentrant('') fail to perform reentrancy checks at runtime. The issue is fixed in version 0.3.10. As a workaround, ensure the lock name is a non-empty string. Affe...

CVE-2023-42441 Vyper has incorrect re-entrancy lock when key is empty string

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. Starting in version 0.2.9 and prior to version 0.3.10, locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. This issue is fixed in version 0.3.10. As a workaround, ensure...

CVE-2023-42441 Vyper has incorrect re-entrancy lock when key is empty string

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine EVM. Starting in version 0.2.9 and prior to version 0.3.10, locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. This issue is fixed in version 0.3.10. As a workaround, ensure...

Vyper has incorrect re-entrancy lock when key is empty string

Impact Locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. Vyper @nonreentrant"" unprotected @external def bar: pass @nonreentrant"lock" protected @external def foo: pass Patches Patched in 3605 Workarounds The lock name should be a non-empty string...

GHSA-3HG2-R75X-G69M Vyper has incorrect re-entrancy lock when key is empty string

Impact Locks of the type @nonreentrant"" or @nonreentrant'' do not produce reentrancy checks at runtime. Vyper @nonreentrant"" unprotected @external def bar: pass @nonreentrant"lock" protected @external def foo: pass Patches Patched in 3605 Workarounds The lock name should be a non-empty string...

PT-2023-28343 · Vyper · Vyper

Name of the Vulnerable Software and Affected Versions: Vyper versions 0.3.9 and prior Description: The memory used by the builtins raw call, create from blueprint, and create copy of can be corrupted under certain conditions, leading to incorrect calldata in the sub-context or deploying incorrect...

Vyper Security Vulnerability

Vyper is the Pythonic smart contract language for EVM. A security vulnerability exists in Vyper versions 0.2.9 through 0.3.10, which stems from the fact that locks of type @nonreentrant or @nonreentrant are not reentrant-checked at runtime...

Vyper Buffer Error Vulnerability

Vyper is the Pythonic smart contract language for EVM. A buffer error vulnerability exists in versions of Vyper prior to 0.3.10, which stems from the fact that the memory createfromblueprint and possibly createcopyof used by built-in functions can become corrupted under certain circumstances...

PT-2023-28342 · Vyper · Vyper

Name of the Vulnerable Software and Affected Versions: Vyper versions 0.2.9 through 0.3.9 Description: The issue concerns locks of the type @nonreentrant"" or @nonreentrant'' that do not produce reentrancy checks at runtime. This can be mitigated by ensuring the lock name is a non-empty string...

Incorrect Control Flow Implementation

vyper is vulnerable to Incorrect Control Flow Implementation. The vulnerability exists in functions.py due to incorrect implementation of operations causing side effects which allows an attacker to perform unauthorized actions...

Business Logic Errors

vyper is vulnerable to Business Logic Errors. The vulnerability exists because the order of evaluation of the arguments of the builtin functions uint256addmod, uint256mulmod, ecadd and ecmul does not follow source order, which can be exploited by an attacker to create contracts that behave...