Stack-based buffer overflow in BlackBerry QNX Software Development Platform
Priority LOW 33CWE-121Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
Buffer Overflow in the entry handler of the TraceEvent() system call could allow an attacker with local access 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 0.00138 3rd 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-2026-4017
- 2026-10-03 Alias added: GHSA-8422-84vm-vcr2
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-2026-4017 · CVE Program
- CVE-2026-4017 · NVD
- FIRST EPSS
- GHSA-8422-84vm-vcr2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences