CVE-2022-24788

Name: CVE-2022-24788
Creator: NVD / NIST
Published: 2022-04-13T19:15:09.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2022-24788 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. Versions of vyper prior to 0.3.2 suffer from a potential buffer overrun. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. Versions of vyper prior to 0.3.2 suffer from a potential buffer overrun. Importing a function from a JSON interface which returns `bytes` generates bytecode which does not clamp bytes length, potentially resulting in a buffer overrun. Users are advised to upgrade. There are no known workarounds for this issue.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.92%

55.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Vyperlang	Vyper	< 0.3.2

References

https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470bPatch, Third Party Advisory
https://github.com/vyperlang/vyper/security/advisories/GHSA-4mrx-6fxm-8jpgPatch, Third Party Advisory
https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470bPatch, Third Party Advisory
https://github.com/vyperlang/vyper/security/advisories/GHSA-4mrx-6fxm-8jpgPatch, Third Party Advisory

Timeline

Published: Apr 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-24788?

How severe is CVE-2022-24788?

CVE-2022-24788 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2022-24788?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-24788?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST