CVE-2024-24564

LOW3.7EPSS 0.36%

Vyper's `extract32` can ready dirty memory

Published: 2/26/2024Modified: 2/5/2026

Description

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.

Affected packages (2)

  • PyPI/vyperfrom 0, < 0.4.0
  • PyPI/vyperfrom 0, < 3d9c537142fb99b2672f21e2057f5f202cde194f | from 0, < 0.4.0

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1LOW3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References (7)