CVE-2022-0890

Name: CVE-2022-0890
Creator: NVD / NIST
Published: 2022-03-10T01:15:07.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.81%

Last modified Jun 17, 2026

CVE-2022-0890 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. NULL Pointer Dereference in GitHub repository mruby/mruby prior to 3.2.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

NULL Pointer Dereference in GitHub repository mruby/mruby prior to 3.2.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.81%

52.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mruby	Mruby	< 3.2

References

https://github.com/mruby/mruby/commit/da48e7dbb20024c198493b8724adae1b842083aaPatch, Third Party Advisory
https://huntr.dev/bounties/68e09ec1-6cc7-48b8-981d-30f478c70276Exploit, Patch, Third Party Advisory
https://github.com/mruby/mruby/commit/da48e7dbb20024c198493b8724adae1b842083aaPatch, Third Party Advisory
https://huntr.dev/bounties/68e09ec1-6cc7-48b8-981d-30f478c70276Exploit, Patch, Third Party Advisory

Timeline

Published: Mar 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-0890?

NULL Pointer Dereference in GitHub repository mruby/mruby prior to 3.2.

How severe is CVE-2022-0890?

CVE-2022-0890 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.

How do I fix CVE-2022-0890?

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-2022-0890?

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

Scan your code now

Source: NVD / NIST