VULNERABILITY INTELLIGENCE

CVE-2023-30837

CVSS score7.5 HIGH
EPSS probability0.70%
CISA KEVNot currently listed
Published2023-05-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-789

Primary references