{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92961", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-17T12:43:31.527Z", "datePublished": "2026-09-17T13:46:17.621Z", "dateUpdated": "2026-09-17T13:46:17.621Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-17T13:46:17.621Z"}, "datePublic": "2026-08-14T00:00:00.000Z", "title": "vm2 before 3.11.6 Memory Exhaustion DoS via bufferAllocLimit Bypass", "descriptions": [{"lang": "en", "value": "vm2 before 3.11.6 fails to enforce bufferAllocLimit on ArrayBuffer, SharedArrayBuffer, and TypedArray constructors, allowing attackers to allocate arbitrary host memory. Attackers can bypass the buffer allocation cap by using these V8 intrinsics to exhaust host process memory and trigger out-of-memory conditions."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Allocation of Resources Without Limits or Throttling", "cweId": "CWE-770", "type": "CWE"}]}], "affected": [{"vendor": "patriksimek", "product": "vm2", "defaultStatus": "unaffected", "packageURL": "pkg:npm/vm2", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "3.11.6"}, {"version": "3.11.6", "status": "unaffected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-v836-6xw4-9cx3", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-v836-6xw4-9cx3)"}, {"name": "VulnCheck Advisory: vm2 before 3.11.6 Memory Exhaustion DoS via bufferAllocLimit Bypass", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/vm2-before-3.11.6-memory-exhaustion-dos-via-bufferalloclimit-bypass"}], "credits": [{"lang": "en", "value": "Kr1shna4garwal", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:npm/vm2", "product": "vm2", "vendor": "patriksimek", "versions": [{"lessThan": "3.11.6", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "3.11.6", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "vm2 before 3.11.6 fails to enforce bufferAllocLimit on ArrayBuffer, SharedArrayBuffer, and TypedArray constructors, allowing attackers to allocate arbitrary host memory. Attackers can bypass the buffer allocation cap by using these V8 intrinsics to exhaust host process memory and trigger out-of-memory conditions."}], "id": "CVE-2026-92961", "lastModified": "2026-09-17T14:18:02.567", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-09-17T14:18:02.447", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-v836-6xw4-9cx3"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/vm2-before-3.11.6-memory-exhaustion-dos-via-bufferalloclimit-bypass"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{"bugzilla": {"description": "vm2: vm2: Denial of Service via memory exhaustion", "id": "2536046", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2536046"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in vm2. This vulnerability allows an attacker to bypass the `bufferAllocLimit` enforcement on `ArrayBuffer`, `SharedArrayBuffer`, and `TypedArray` constructors. By doing so, the attacker can allocate arbitrary host memory, leading to memory exhaustion and a Denial of Service (DoS) condition for the affected system."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-92961", "public_date": "2026-09-17T13:46:17Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-92961\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-92961\nhttps://github.com/patriksimek/vm2/security/advisories/GHSA-v836-6xw4-9cx3\nhttps://www.vulncheck.com/advisories/vm2-before-3.11.6-memory-exhaustion-dos-via-bufferalloclimit-bypass"], "statement": "This is an Important denial of service vulnerability in vm2, a JavaScript sandbox. A remote attacker can bypass internal resource limits within the sandbox, allowing them to allocate arbitrary host memory. This can lead to the exhaustion of system resources and a denial of service for the host system running applications that utilize vm2 to execute untrusted code.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.11.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "3.11.6"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "vm2", "source": "cna", "vendor": "patriksimek"}, "product": "vm2", "vendor": "patriksimek"}], "created": "2026-09-17T23:00:12.764263+00:00", "updated": "2026-09-18T00:00:13.407402+00:00", "vendors": ["patriksimek", "patriksimek$PRODUCT$vm2"]}