CVE-2022-24845: Integer Overflow or Wraparound

April 13, 2022 (updated August 2, 2023)

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of <iface>.returns_int128() is not validated to fall within the bounds of int128. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0, <iface>.returns_int128() is validated in simple expressions, but not complex expressions. Users are advised to upgrade. There is no known workaround for this issue.

References

github.com/advisories/GHSA-j2x6-9323-fp7h
github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b
github.com/vyperlang/vyper/security/advisories/GHSA-j2x6-9323-fp7h
nvd.nist.gov/vuln/detail/CVE-2022-24845

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