CVE-2026-38973

Medium

Description

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

SeverityMedium
CVSS4.4
Exploit probability—
ProductMrubyc
PublishedJul 6, 2026
First seenJul 6, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
mrubycv ≤ release3.4.1—

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