Home/CVE/Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions when performing a function call inside a l
CVE

CVE-2021-41121

Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions when performing a function call inside a l

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 top of the stack. This issue has been resolved in version 0.3.0.

HIGH · CVSS 7.5 EPSS 0.00423
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
vyperlang vyper< 0.3.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI vyper HIGH fixed in 0.3.0
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Oct 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/vyperlang/vyper/pull/2447PatchThird Party Advisory
https://github.com/vyperlang/vyper/security/advisories/GHSA-xv8x-pr4h-73jvThird Party Advisory
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