CVE-2021-46023

7.5 highEPSS 0.8%

High (7.5) in mruby mruby. EPSS 0.8% chance of exploitation in the next 30 days.

An Untrusted Pointer Dereference was discovered in function mrb_vm_exec in mruby before 3.1.0-rc. The vulnerability causes a segmentation fault and application crash.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2023-02-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mruby:mruby

References

https://github.com/mruby/mruby/issues/5613
https://github.com/mruby/mruby/issues/5613

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