{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-16439", "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "state": "PUBLISHED", "assignerShortName": "eclipse", "dateReserved": "2026-07-21T06:37:15.485Z", "datePublished": "2026-07-21T17:28:44.409Z", "dateUpdated": "2026-07-21T17:28:44.409Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse", "dateUpdated": "2026-07-21T17:28:44.409Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-124", "description": "CWE-124 Buffer underwrite ('buffer underflow')", "type": "CWE"}]}], "affected": [{"vendor": "Eclipse Foundation", "product": "OpenJ9", "versions": [{"status": "affected", "version": "0.8.0", "lessThan": "0.60.0", "versionType": "custom"}, {"status": "unaffected", "version": "0", "lessThan": "0.8.0", "versionType": "custom"}, {"status": "unaffected", "version": "0.60.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow."}]}], "references": [{"url": "https://github.com/eclipse-openj9/openj9/pull/24394"}, {"url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/192"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "LOW", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.8, "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:L/SA:L"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}, "title": "Eclipse OpenJ9 : Using -Xtrace to trace method arguments can lead to buffer underflow"}}}

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