What is CVE-2023-32058?

CVE-2023-32058 is a high-severity vulnerability in Vyperlang Vyper, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2023-05-11.

How severe is CVE-2023-32058?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Vyperlang Vyper

CVE-2023-32058

Vyper is a Pythonic smart contract language for the Ethereum virtual machine. Prior to version 0.3.8, due to missing overflow check for loop variables, by assigning the iterator of a loop to a variable, it is possible to overflow the type…

Vulnerability class: Integer Overflow

EPSS: 0.005 (64.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Vyperlang Vyper — versions < 0.3.8

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

https://github.com/vyperlang/vyper/security/advisories/GHSA-6r8q-pfpv-7cgj (x_refsource_CONFIRM)
https://github.com/vyperlang/vyper/commit/3de1415ee77a9244eb04bdb695e249d3ec9ed868 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-32058?: CVE-2023-32058 is a high-severity vulnerability in Vyperlang Vyper, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2023-05-11.
How severe is CVE-2023-32058?: High severity. CVSS v3 base score is 7.5 out of 10.