Review reviewHigh

CVE-2026-40272

BlackBerry Ltd 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.

CVSS
7
EPSS
0.11%
1.63% percentile
CISA KEV
Not listed
Published
2026.07.30
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.11%
Technical severityCVSS 7

Vulnerability overview

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.

Affected product and versions

Product
BlackBerry Ltd QNX Software Development Platform
Affected versions
>= 8.0, >= cpe:2.3:a:blackberry:qnx_software_development_platform:8.0:*:*:*:*:*:*:*, >= 7.1, >= cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*, >= 7.0, >= cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that BlackBerry Ltd QNX Software Development Platform and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-1284