CVE-2026-38973

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-38973
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-06 22:16:48 UTC
Updated2026-07-09 16:16:40 UTC
Descriptionmrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().

Risk And Classification

Primary CVSS: v3.1 4.4 MEDIUM from ADP

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

EPSS: 0.001160000 probability, percentile 0.018880000 (date 2026-07-13)

Problem Types: CWE-125 | n/a | CWE-125 CWE-125 Out-of-bounds Read

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
github.com/mrubyc/mrubyc/issues/279%2C [email protected] github.com
github.com/mrubyc/mrubyc/commit/f83a8b67ca1c7c62ac0dd548a363d79f767c4e30 [email protected] github.com
github.com/mrubyc/mrubyc [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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