{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4018", "assignerOrgId": "dbe78b00-5e7b-4fda-8748-329789ecfc5c", "state": "PUBLISHED", "assignerShortName": "blackberry", "dateReserved": "2026-03-11T19:24:46.531Z", "datePublished": "2026-07-14T17:34:01.952Z", "dateUpdated": "2026-07-14T17:34:01.952Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dbe78b00-5e7b-4fda-8748-329789ecfc5c", "shortName": "blackberry", "dateUpdated": "2026-07-14T17:34:01.952Z"}, "title": "TOCTOU race condition in the QNX Neutrino kernel impacts versions of the QNX Software Development Platform and QNX OS for Safety", "datePublic": "2026-07-14T15:20:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-367", "description": "CWE-367 Time-of-check time-of-use (TOCTOU) race condition", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-29", "descriptions": [{"lang": "en", "value": "CAPEC-29 Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions"}]}], "affected": [{"vendor": "BlackBerry Ltd", "product": "QNX Software Development Platform", "versions": [{"status": "affected", "version": "7.1"}, {"status": "affected", "version": "cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*", "versionType": "cpe"}, {"status": "affected", "version": "7.0"}, {"status": "affected", "version": "cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*", "versionType": "cpe"}], "defaultStatus": "unaffected"}, {"vendor": "BlackBerry Ltd", "product": "QNX OS for Safety", "versions": [{"status": "affected", "version": "2.2.8 and earlier"}, {"status": "affected", "version": "cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:8:*:*:*:*:*:*", "versionType": "cpe"}, {"status": "affected", "version": "2.1.5 and earlier"}, {"status": "affected", "version": "cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:5:*:*:*:*:*:*", "versionType": "cpe"}, {"status": "affected", "version": "2.0.3 and earlier"}, {"status": "affected", "version": "cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:3:*:*:*:*:*:*", "versionType": "cpe"}], "defaultStatus": "unaffected"}, {"vendor": "BlackBerry Ltd.", "product": "QNX OS for Medical", "versions": [{"status": "affected", "version": "2.0.2 and earlier"}, {"status": "affected", "version": "cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:2:*:*:*:*:*:*", "versionType": "cpe"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "TOCTOU Race Condition in specific trace commands of the TraceEvent() system call could allow an attacker with local access and with the PROCMGR_AID_TRACE ability, to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "TOCTOU Race Condition in specific trace commands of the TraceEvent() system call could allow an attacker with local access and with the PROCMGR_AID_TRACE ability, to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel."}]}], "references": [{"url": "https://support.blackberry.com/pkb/s/article/141213"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.4, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"}}], "source": {"advisory": "https://support.blackberry.com/pkb/s/article/141213", "discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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