CVE-2022-0080

Name: CVE-2022-0080
Creator: NVD / NIST
Published: 2022-01-02T12:15:07.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.41%

Last modified Jun 17, 2026

CVE-2022-0080 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. mruby is vulnerable to Heap-based Buffer Overflow. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

mruby is vulnerable to Heap-based Buffer Overflow

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

1.41%

69.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mruby	Mruby	<= 3.0.0

References

https://github.com/mruby/mruby/commit/28ccc664e5dcd3f9d55173e9afde77c4705a9ab6Patch, Third Party Advisory
https://huntr.dev/bounties/59a70392-4864-4ce3-8e35-6ac2111d1e2eExploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/mruby/mruby/commit/28ccc664e5dcd3f9d55173e9afde77c4705a9ab6Patch, Third Party Advisory
https://huntr.dev/bounties/59a70392-4864-4ce3-8e35-6ac2111d1e2eExploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Jan 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-0080?

mruby is vulnerable to Heap-based Buffer Overflow

How severe is CVE-2022-0080?

CVE-2022-0080 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2022-0080?

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-2022-0080?

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

Scan your code now

Source: NVD / NIST