{"id":"CVE-2026-4017","aliases":["EUVD-2026-44320","GHSA-8422-84vm-vcr2"],"status":"published","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.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00138,"percentile":0.03208,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-07-14T17:25:13Z","modified":"2026-07-15T16:24:31Z","products":[{"vendor":"blackberry ltd","product":"qnx os for safety"},{"vendor":"blackberry ltd","product":"qnx software development platform"},{"vendor":"blackberry ltd.","product":"qnx os for medical"}],"references":[{"url":"https://support.blackberry.com/pkb/s/article/141213"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4017"},{"url":"https://github.com/advisories/GHSA-8422-84vm-vcr2"}],"sources":{"cve":[{"id":"CVE-2026-4017","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.","status":"published","published":"2026-07-14T17:25:13.128Z","modified":"2026-07-14T23:36:28.181Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-44320","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.","status":"published","published":"2026-07-14T17:25:13Z","modified":"2026-07-14T23:36:28Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:19:57.359664Z"}],"ghsa":[{"id":"GHSA-8422-84vm-vcr2","title":"Buffer Overflow in the entry handler of the TraceEvent() system call could allow an attacker with...","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.","status":"published","published":"2026-07-14T18:32:14Z","modified":"2026-07-14T18:32:22Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:09:28.885137Z"}],"nvd":[{"id":"CVE-2026-4017","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.","status":"published","published":"2026-07-14T18:17:26.82Z","modified":"2026-07-15T16:24:31.14Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:29.489525Z"}]}}