Time-of-check time-of-use race condition in BlackBerry QNX Software Development Platform
Priority LOW 29CWE-367Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
TOCTOU Race Condition in specific trace commands of the TraceEvent() system call could allow an attacker with local access and with the PROCMGR_AID_TRACE ability, to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00102 0th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| BlackBerry | QNX Software Development Platform | 7.1; all versions; 7.0; all versions | — | No fix listed | CNA |
| BlackBerry | QNX OS for Safety | up to 2.2.8; all versions; up to 2.1.5; all versions; up to 2.0.3; all versions | — | No fix listed | CNA |
| BlackBerry | QNX OS for Medical | up to 2.0.2; all versions | — | No fix listed | CNA |
- QNX Software Development Platform VendorBlackBerry Affected 7.1; all versions; 7.0; all versions Fixed in — No fix listed CNA
- QNX OS for Safety VendorBlackBerry Affected up to 2.2.8; all versions; up to 2.1.5; all versions; up to 2.0.3; all versions Fixed in — No fix listed CNA
- QNX OS for Medical VendorBlackBerry Affected up to 2.0.2; all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-4018
- 2026-10-03 Alias added: GHSA-vm3p-4vxh-gffg
References
More BlackBerry vulnerabilities
- TI-2020-01862 Improper privilege management in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
- TI-2020-09350 An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. KEVCVSS 3.1MEDIUM 6.5
- TI-2025-02149 Vulnerability in PCX Image Codec Impacts QNX Software Development Platform CVSS 3.1CRITICAL 9.8
- TI-2024-32556 Vulnerabilities in TIFF and PCX Image Codecs Impact QNX Software Development Platform CVSS 3.1CRITICAL 9.8
- TI-2008-03108 Unspecified vulnerability in the PDF distiller component in the BlackBerry Attachment… CVSS 2.0HIGH 9.3
- TI-2020-05595 An information disclosure and remote code execution vulnerability in the slinger web… CVSS 3.1CRITICAL 10.0
Sources
- CVE-2026-4018 · CVE Program
- CVE-2026-4018 · NVD
- FIRST EPSS
- GHSA-vm3p-4vxh-gffg · GitHub Advisory Database · CC BY 4.0
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