CVE-2021-41121 HIGH

CVE-2021-41121: Memory corruption in Vyper

Vendor Vyperlang
Product vyper
Weakness CWE-119
Published October 6, 2021
Last update August 4, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions when performing a function call inside a literal struct, there is a memory corruption issue that occurs because of an incorrect pointer to the the top of the stack. This issue has been resolved in version 0.3.0.

Key dates

02Disclosure timeline

October 6, 2021 CVE published
August 4, 2024 Record updated