BlackBerryCVE-2026-4018
BlackBerry QNX: race condition
Medium6.4CVE-2026-4018 · Published Jul 14, 2026 · updated Jul 15, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| QNX OS for Medical Product | <= 2.0.2 and earlier | No fix yet |
| <= cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:2:*:*:*:*:*:* | No fix yet | |
| QNX OS for Safety Product | <= 2.2.8 and earlier | No fix yet |
| <= cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:8:*:*:*:*:*:* | No fix yet | |
| <= 2.1.5 and earlier | No fix yet | |
| <= cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:5:*:*:*:*:*:* | No fix yet | |
| QNX Software Development Platform Product | <= 7.1 | No fix yet |
| <= cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:* | No fix yet | |
| <= 7.0 | No fix yet | |
| <= cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:* | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-367
More BlackBerry advisories
All BlackBerry| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 11 | BlackBerry AtHoc IWS: cross-site scripting | Medium5.3 | 7.21 HF-734 |
| Jul 29 | BlackBerry QNX Software Development Platform: improper input validation | High7.0 | No fix yet |
| Jul 28 | BlackBerry UEM: improper input validation | Medium5.9 | No fix yet |
| Jul 28 | BlackBerry UEM: cross-site scripting | High8.6 | No fix yet |
| Jul 14 | BlackBerry QNX: buffer overflow | High7.4 | No fix yet |
| Jul 14 | BlackBerry QNX: attacker could cause a crash of the QNX Neutrino kernel | Medium6.2 | No fix yet |