CVE-2021-4110

NULL Pointer Dereference in mruby/mruby

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Published Dec 15, 2021 CVSS 3.1 · 7.5 High EPSS 1.7% KEV · Not listed

Description

mruby is vulnerable to NULL Pointer Dereference

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

mruby

mruby/mruby

affected

Version	Status	Constraints
`unspecified`	affected	< 3.1

Configuration 1 [-]

cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-33991	mruby is vulnerable to NULL Pointer Dereference

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.7% (1.689% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/mruby/mruby/commit/f5e10c5a79a17939af763b1dcf5232ce47e24a34
https://huntr.dev/bounties/4ce5dc47-2512-4c87-8609-453adc8cad20

History

No history.

Subscriptions

Mruby Mruby

Weaknesses

CWE-476

Sources

CVE record Updated: Aug 3, 2024, 5:16 PM

Status: PUBLISHED
Assigner: @huntrdev
Published: Dec 15, 2021, 4:40 AM
Updated: Aug 3, 2024, 5:16 PM
Reserved: Dec 14, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:19 AM

Status: Modified
Published: Dec 15, 2021, 5:15 AM
Modified: Jun 17, 2026, 4:19 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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