CVE-2026-4017CWE-121

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

High · published July 14, 2026

CVSS v3.1
7.4
EPSS
0%
Percentile
2.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00138 · 2.9th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-07-14T17:25Z
EPSS history
Timeline
  • 14 JUL 17:25Z
    Buffer overflow in the QNX Neutrino kernel impacts versions of the QNX Software Development Platform and QNX OS for Safety
    cvelistv5