CVE-2022-0631

Heap-based Buffer Overflow in mruby/mruby

View on CVE.org

Published Feb 18, 2022 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Description

Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.

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	< 3.2

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

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-15728	Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.922% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299
https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40

History

No history.

Subscriptions

Mruby Mruby

Weaknesses

CWE-122

Sources

CVE record Updated: Aug 2, 2024, 11:32 PM

Status: PUBLISHED
Assigner: @huntrdev
Published: Feb 18, 2022, 1:55 PM
Updated: Aug 2, 2024, 11:32 PM
Reserved: Feb 16, 2022, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:20 AM

Status: Modified
Published: Feb 18, 2022, 2:15 PM
Modified: Jun 17, 2026, 4:20 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "mruby/mruby", "vendor": "mruby", "versions": [{"lessThan": "3.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Heap-based Buffer Overflow in Homebrew mruby prior to 3.2."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "description": "CWE-122 Heap-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-02-18T13:55:10.000Z", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299"}], "source": {"advisory": "9bdc49ca-6697-4adc-a785-081e1961bf40", "discovery": "EXTERNAL"}, "title": "Heap-based Buffer Overflow in mruby/mruby", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@huntr.dev", "ID": "CVE-2022-0631", "STATE": "PUBLIC", "TITLE": "Heap-based Buffer Overflow in mruby/mruby"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "mruby/mruby", "version": {"version_data": [{"version_affected": "<", "version_value": "3.2"}]}}]}, "vendor_name": "mruby"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Heap-based Buffer Overflow in Homebrew mruby prior to 3.2."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-122 Heap-based Buffer Overflow"}]}]}, "references": {"reference_data": [{"name": "https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40", "refsource": "CONFIRM", "url": "https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40"}, {"name": "https://github.com/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299", "refsource": "MISC", "url": "https://github.com/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299"}]}, "source": {"advisory": "9bdc49ca-6697-4adc-a785-081e1961bf40", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:32:46.546Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299"}]}]}, "cveMetadata": {"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "cveId": "CVE-2022-0631", "datePublished": "2022-02-18T13:55:10.000Z", "dateReserved": "2022-02-16T00:00:00.000Z", "dateUpdated": "2024-08-02T23:32:46.546Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "mruby/mruby", "vendor": "mruby", "versions": [{"lessThan": "3.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "36DC54A6-4938-4623-8742-FF7C35178328", "versionEndExcluding": "3.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Heap-based Buffer Overflow in Homebrew mruby prior to 3.2."}, {"lang": "es", "value": "Un Desbordamiento de B\u00fafer en la regi\u00f3n Heap de la Memoria en Homebrew mruby versiones anteriores a 3.2"}], "id": "CVE-2022-0631", "lastModified": "2026-06-17T04:20:58.113", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 2.5, "impactScore": 3.4, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-02-18T14:15:07.907", "references": [{"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/mruby/mruby/commit/47068ae07a5fa3aa9a1879cdfe98a9ce0f339299"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/9bdc49ca-6697-4adc-a785-081e1961bf40"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "security@huntr.dev", "type": "Secondary"}]}