CVE-2020-37287
MEDIUM
NVD
CVSS Score
5.9
Severity
MEDIUM
Published
Oct 21, 2026
Vendor
unknown
Description
Vyper before 0.2.6 contains a call stack corruption vulnerability that causes incorrect function outputs when complex types with non-base members are passed as arguments. Contracts passing multi-dimensional arrays or structs to internal or external functions receive corrupted values because the compiler assumed each subtype size is 32.