What is CVE-2026-40272?

CVE-2026-40272 is a high-severity vulnerability in Blackberry Ltd Qnx Software Development Platform, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.0/10. Published 2026-07-29.

How severe is CVE-2026-40272?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Blackberry Ltd Qnx Software Development Platform

CVE-2026-40272

Improper Input Validation in the decode() function of the traceparser library could allow an attacker with a corrupted kernel trace event log (.kev) file, to execute arbitrary code or cause a crash in processes that use libtraceparser in Q…

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Blackberry Ltd Qnx Software Development Platform — versions 8.0, cpe:2.3:a:blackberry:qnx_software_development_platform:8.0:*:*:*:*:*:*:*, 7.1

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

secure@blackberry.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-40272?: CVE-2026-40272 is a high-severity vulnerability in Blackberry Ltd Qnx Software Development Platform, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.0/10. Published 2026-07-29.
How severe is CVE-2026-40272?: High severity. CVSS v3 base score is 7.0 out of 10.