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HIGH

CVE-2026-40272

CVE-2026-40272 — Vulnerability in the QNX libtraceparser Impacts QNX Software Development Platform

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.

Published Updated Sources: cvelistV5, blackberry

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

0%

chance of exploitation in 30 days

Affects

blackberry

qnx_software_development_platform

CVSS base

7

HIGH

CISA SSVC assessment

Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.

CISA

Exploitation

None

none · proof-of-concept · active

Automatable

No

can an attacker script all four kill-chain steps

Technical impact

Total

partial · total control of the vulnerable component

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

blackberry

Products (1)

qnx software development platform

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
7CVSS 3.1HIGH——cvelistV5

Weakness & attack patterns

  • CWE-1284

References

1 on the record

Elsewhere on this site

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.