Vulnerability details

CVE-2026-4017

BlackBerry QNX OS for MedicalBlackBerry QNX OS for SafetyBlackBerry QNX Software Development Platform

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

CVSS 3.1
7.4High

Official 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.

CVSS scores

ScoreVersionSourceVector
7.4High 3.1 CVEProject cvelistV5 (CNA) (blackberry) CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
BlackBerry Ltd QNX OS for Medical 2.0.2 and earlier CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX OS for Medical cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:2:*:*:*:*:*:* CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX OS for Safety 2.0.3 and earlier CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX OS for Safety 2.1.5 and earlier CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX OS for Safety 2.2.8 and earlier CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX OS for Safety cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:3:*:*:*:*:*:* CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX OS for Safety cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:5:*:*:*:*:*:* CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX OS for Safety cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:8:*:*:*:*:*:* CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX Software Development Platform 7.0 CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX Software Development Platform 7.1 CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX Software Development Platform cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:* CVEProject cvelistV5 (CNA)
BlackBerry Ltd QNX Software Development Platform cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:* CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-07-14
Last updated
2026-07-15
State
Published
Assigner (CNA)
blackberry

Exploit prediction (EPSS)

0.13%
Probability of exploitation in 30 days
3.1%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-121
    Stack-based buffer overflow