NULL pointer dereference in Mruby

CVE-2021-4188

mruby is vulnerable to NULL Pointer Dereference

EPSS: 0.009 (54.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mruby
Mruby Mruby/mruby — versions unspecified

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

security@huntr.dev (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory)
security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-4188?: CVE-2021-4188 is a high-severity vulnerability in Mruby, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-12-30.
How severe is CVE-2021-4188?: High severity. CVSS v3 base score is 7.5 out of 10.