[ CVE-2020-37287 · Published 21 Oct 2026 ]
Vulnerability in vyperlang vyper
CVSS 5.9
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.