CVE-2026-4017 HIGH

CVE-2026-4017: Buffer overflow in the QNX Neutrino kernel impacts versions of the QNX Software Development Platform and QNX OS for Safety

Vendor Blackberry Ltd
Product QNX Software Development Platform
Weakness CWE-121
Published July 14, 2026
Last update July 14, 2026
View on NVD All CVEs

CVSS base score

7.4/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 14, 2026 CVE published
July 14, 2026 Record updated