What is CVE-2022-0630?

CVE-2022-0630 is a high-severity vulnerability in Mruby, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2022-02-19.

How severe is CVE-2022-0630?

High severity. CVSS v3 base score is 7.1 out of 10.

Out-of-bounds Read in Mruby

CVE-2022-0630

Out-of-bounds Read in Homebrew mruby prior to 3.2.

Vulnerability class: Buffer Overflow

Published 2022-02-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: -0.000

Affected products

Mruby
Mruby Mruby/mruby — versions unspecified

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

github.com/mruby/mruby/commit/ff3a5ebed6ffbe3e70481531cfb969b497aa73ad (Patch, Third Party Advisory)
huntr.dev/bounties/f7cdd680-1a7f-4992-b4b8-44b5e4ba3e32 (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0630?: CVE-2022-0630 is a high-severity vulnerability in Mruby, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2022-02-19.
How severe is CVE-2022-0630?: High severity. CVSS v3 base score is 7.1 out of 10.