{"api_version":"1","generated_at":"2026-07-23T13:26:35+00:00","cve":"CVE-2026-4017","urls":{"html":"https://cve.report/CVE-2026-4017","api":"https://cve.report/api/cve/CVE-2026-4017.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-4017","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-4017"},"summary":{"title":"Buffer overflow in the QNX Neutrino kernel impacts versions of the QNX Software Development Platform and QNX OS for Safety","description":"Buffer Overflow in the entry handler of the TraceEvent() system call could allow an attacker with local access to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel.","state":"PUBLISHED","assigner":"blackberry","published_at":"2026-07-14 18:17:26","updated_at":"2026-07-15 16:24:31"},"problem_types":["CWE-121","CWE-121 CWE-121 Stack-based buffer overflow"],"metrics":[{"version":"3.1","source":"secure@blackberry.com","type":"Secondary","score":"7.4","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":7.4,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.4","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://support.blackberry.com/pkb/s/article/141213","name":"https://support.blackberry.com/pkb/s/article/141213","refsource":"secure@blackberry.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-4017","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4017","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX Software Development Platform","version":"affected 7.1","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX Software Development Platform","version":"affected cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:* cpe","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX Software Development Platform","version":"affected 7.0","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX Software Development Platform","version":"affected cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:* cpe","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX OS for Safety","version":"affected 2.2.8 and earlier","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX OS for Safety","version":"affected cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:8:*:*:*:*:*:* cpe","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX OS for Safety","version":"affected 2.1.5 and earlier","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX OS for Safety","version":"affected cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:5:*:*:*:*:*:* cpe","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX OS for Safety","version":"affected 2.0.3 and earlier","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd","product":"QNX OS for Safety","version":"affected cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:3:*:*:*:*:*:* cpe","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd.","product":"QNX OS for Medical","version":"affected 2.0.2 and earlier","platforms":[]},{"source":"CNA","vendor":"BlackBerry Ltd.","product":"QNX OS for Medical","version":"affected cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:2:*:*:*:*:*:* cpe","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"4017","cve":"CVE-2026-4017","epss":"0.001200000","percentile":"0.021400000","score_date":"2026-07-19","updated_at":"2026-07-20 00:12:18"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-4017","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-07-14T23:36:16.979515Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-14T23:36:28.181Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"QNX Software Development Platform","vendor":"BlackBerry Ltd","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","product":"QNX OS for Safety","vendor":"BlackBerry Ltd","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","product":"QNX OS for Medical","vendor":"BlackBerry Ltd.","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"}]}],"datePublic":"2026-07-14T15:15:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Buffer Overflow in the entry handler of the TraceEvent() system call could allow an attacker with local access to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel. "}],"value":"Buffer Overflow in the entry handler of the TraceEvent() system call could allow an attacker with local access to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel."}],"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","description":"CWE-121 Stack-based buffer overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-14T17:25:13.128Z","orgId":"dbe78b00-5e7b-4fda-8748-329789ecfc5c","shortName":"blackberry"},"references":[{"url":"https://support.blackberry.com/pkb/s/article/141213"}],"source":{"advisory":"https://support.blackberry.com/pkb/s/article/141213","discovery":"UNKNOWN"},"title":"Buffer overflow in the QNX Neutrino kernel impacts versions of the QNX Software Development Platform and QNX OS for Safety","x_generator":{"engine":"Vulnogram 1.0.2"}}},"cveMetadata":{"assignerOrgId":"dbe78b00-5e7b-4fda-8748-329789ecfc5c","assignerShortName":"blackberry","cveId":"CVE-2026-4017","datePublished":"2026-07-14T17:25:13.128Z","dateReserved":"2026-03-11T19:20:13.205Z","dateUpdated":"2026-07-14T23:36:28.181Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-14 18:17:26","lastModifiedDate":"2026-07-15 16:24:31","problem_types":["CWE-121","CWE-121 CWE-121 Stack-based buffer overflow"],"metrics":{"cvssMetricV31":[{"source":"secure@blackberry.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":7.4,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.4,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-14T23:36:16.979515Z","id":"CVE-2026-4017","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"4017","Ordinal":"1","Title":"Buffer overflow in the QNX Neutrino kernel impacts versions of t","CVE":"CVE-2026-4017","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"4017","Ordinal":"1","NoteData":"Buffer Overflow in the entry handler of the TraceEvent() system call could allow an attacker with local access to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel.","Type":"Description","Title":"Buffer overflow in the QNX Neutrino kernel impacts versions of t"}]}}}