Integer overflow in RTI Connext Professional
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Code execution, Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-190, CWE-284 and the CVSS impact.
Summary
Integer Overflow or Wraparound, Improper Access Control vulnerability in RTI Connext Professional (Core Libraries) allows Shared Resource Manipulation. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*.
Why it matters now
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 |
|---|---|---|---|---|---|
| RTI | Connext Professional | 7.4.0 to before 7.7.0.1; 7.0.0 to before 7.3.1.6; 6.1.0 and later | 7.7.0.1, 7.3.1.6 | Patch available | CNA |
- Connext Professional VendorRTI Affected 7.4.0 to before 7.7.0.1; 7.0.0 to before 7.3.1.6; 6.1.0 and later Fixed in 7.7.0.1, 7.3.1.6 Patch available CNA
Remediation
- Fix · CNA Connext Professional (RTI) Fixed in 7.7.0.1, 7.3.1.6
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
RTI Connext Professional 6.1.*, 7.3.1.6, 7.7.0.1
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-15162 Out-of-bounds read in RTI Connext ProfessionalPriority LOW 29
Timeline
- 2026-10-02 Threatist record created from CVE-2026-18462
- 2026-10-03 Alias added: GHSA-9743-6h37-2w2g
References
More RTI vulnerabilities
- TI-2021-16087 Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro CVSS 4.0HIGH 8.8
- TI-2026-06924 Stack-based buffer overflow in RTI Connext Professional CVSS 4.0CRITICAL 10.0
- TI-2026-23632 Integer underflow in RTI Connext Micro CVSS 4.0HIGH 8.8
- TI-2026-03368 Out-of-bounds read in RTI Connext Professional CVSS 4.0CRITICAL 9.2
- TI-2026-02096 Heap-based buffer overflow in RTI Connext Professional CVSS 4.0CRITICAL 9.2
- TI-2024-34933 SQL injection in RTI Connext Professional CVSS 4.0CRITICAL 9.1
Sources
- CVE-2026-18462 · CVE Program
- CVE-2026-18462 · NVD
- FIRST EPSS
- GHSA-9743-6h37-2w2g · 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