CVE-2023-30837

Vyper storage allocator overflow

Published May 8, 2023 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-0269 Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8.\n
Github GHSA Github GHSA GHSA-mgv8-gggw-mrg6 vyper vulnerable to storage allocator overflow
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jan 29, 2025, 3:27 PM
Reserved
Apr 18, 2023, 4:13 PM
Status
Modified
Published
May 8, 2023, 5:15 PM
Modified
Jun 17, 2026, 5:55 AM