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TI-2026-03368 Aliases CVE-2026-3894GHSA-gfjf-3m4p-4qjc

Out-of-bounds read in RTI Connext Professional

Priority MEDIUM 45CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · Low · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 5.0.0 before 5.1.*.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.002 9th percentileScored 2026-11-07
Fix Fixed Connext Professional (RTI): 7.7.0, 7.3.1.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
RTIConnext Professional7.4.0 to before 7.7.0; 7.0.0 to before 7.3.1.3; 6.1.0 and later; 6.0.0 and later; 5.3.0 and later; 5.2.0 and later; 5.0.0 and later7.7.0, 7.3.1.3Patch availableCNA
  • Connext Professional VendorRTI Affected 7.4.0 to before 7.7.0; 7.0.0 to before 7.3.1.3; 6.1.0 and later; 6.0.0 and later; 5.3.0 and later; 5.2.0 and later; 5.0.0 and later Fixed in 7.7.0, 7.3.1.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*5.0.0 to before 7.7.0VulnerableRTI
  • cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:* Versions 5.0.0 to before 7.7.0 Vulnerable ·RTI

Remediation

  • Fix · CNA Connext Professional (RTI) Fixed in 7.7.0, 7.3.1.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    RTI Connext Professional 5.1.*, 5.2.* and 5 more versions

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2026-02096 Heap-based buffer overflow in RTI Connext ProfessionalPriority MEDIUM 45
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3894
  2. 2026-10-03 Alias added: GHSA-gfjf-3m4p-4qjc

References

Advisory 1

  • TI-2021-16087 Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro CVSS 4.0HIGH 8.8
  • 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
  • TI-2021-16038 RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size CVSS 3.1CRITICAL 9.8
  • TI-2026-06407 Buffer overflow in RTI Connext Professional CVSS 4.0HIGH 8.8
  • TI-2024-34942 Potential stack corruption in Routing Service when using a malicious XML configuration document CVSS 4.0HIGH 8.3
See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences