CVE-2026-4018
Medium
Description
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.
SeverityMedium
CVSS6.4
Exploit probability—
ProductQNX Software Development Platform
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-367CWE-367
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| BlackBerry Ltd QNX Software Development Platform | 7.1, cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*, 7.0, cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:* | — |
| BlackBerry Ltd QNX OS for Safety | 2.2.8 and earlier, cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:8:*:*:*:*:*:*, 2.1.5 and earlier, cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:5:*:*:*:*:*:*, 2.0.3 and earlier, cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:3:*:*:*:*:*:* | — |
| BlackBerry Ltd. QNX OS for Medical | 2.0.2 and earlier, cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:2:*:*:*:*:*:* | — |
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