CVE-2026-38973
MEDIUM
4.4
CVSS Score
Published: July 6, 2026 at 12:00 AM UTC
Updated: July 9, 2026 at 04:31 PM UTC
1 product affected across 1 vendorMrubyc
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
Source: cverecord
https://github.com/mrubyc/mrubyc/issues/279%2CSource: cverecord
https://github.com/mrubyc/mrubycSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
4.4MEDIUMCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusDEFERRED
CWE
CWE-125
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card