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MEDIUM · 4.4

CVE-2026-38973

mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().

Vulnerability Description

mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().

CVSS Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
LOW

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2026-38973?

CVE-2026-38973 is a vulnerability with a CVSS score of 4.4 (MEDIUM). mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().

How severe is CVE-2026-38973?

CVE-2026-38973 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-38973?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.