Out-of-bounds Read in Mruby

CVE-2022-1276

Out-of-bounds Read in mrb_get_args in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

Vulnerability class: Buffer Overflow

EPSS: 0.015 (71.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-1276?
CVE-2022-1276 is a critical-severity vulnerability in Mruby, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-04-10.
How severe is CVE-2022-1276?
Critical severity. CVSS v3 base score is 9.8 out of 10.