CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-41121
High (8.8) in vyperlang vyper. EPSS 1.1% chance of exploitation in the next 30 days. Fixed in vyper 0.3.0.
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.
Severity
- EPSS
- 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
- CWE
- CWE-119
- Published
- Modified
- Record from
- the NVD, synced
Affected
- vyperlang:vyper
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-xv8x-pr4h-73jv | PyPI | vyper | <0.3.0 | 0.3.0 |
| PYSEC-2021-365 | PyPI | vyper | <0.3.0 | 0.3.0 |