CVE-2026-4017highCWE-121

CVE-2026-4017: high-severity vulnerability in BlackBerry Ltd QNX Software Development Platform

Buffer overflow in the QNX Neutrino kernel impacts versions of the QNX Software Development Platform and QNX OS for Safety

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.4epss 0.1%
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.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
BlackBerry Ltd · QNX OS for SafetyBlackBerry Ltd · QNX Software Development PlatformBlackBerry Ltd. · QNX OS for Medical
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