CVE-2026-40272 Vulnerability in the QNX libtraceparser Impacts QNX Software Development Platform
Attackers can execute arbitrary code or cause crashes in QNX processes by providing a corrupted kernel trace event log file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-40272?
CVE-2026-40272 is a high-severity memory corruption vulnerability in BlackBerry Ltd QNX Software Development Platform, published on 29 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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 QNX hosts or targets.
Weakness: CWE-1284
Which versions are affected by CVE-2026-40272?
How do I fix CVE-2026-40272?
No fix has been published for CVE-2026-40272 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-40272 being exploited?
There is no known exploitation of CVE-2026-40272 in the wild and no public exploit code.
Sources
Also known as GHSA-hpr2-7hh5-qhhf.