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10.0

RTI Connext Professional can experience memory overflow

CVE-2026-7866 · published 18 days ago
Summary

The core libraries of RTI Connext Professional versions up to 7.7.0.1 contain a flaw that can let specially crafted data overwrite memory on the computer running the software. This could cause the application to crash or allow an attacker to run unauthorized code. Update to the latest released version of Connext Professional as soon as possible to eliminate the risk.

What to do
  • Update rti connext professional to version 7.7.0.1 or later.
Affected software
VendorProductAffected versions
rti connext professional < 7.7.0.1
Original advisory text
Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers.
Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers. 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.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
10.0 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-121Stack-based Buffer Overflow
Timeline
Published22 Sep 2026
Updated7 Oct 2026
First seen22 Sep 2026
Sources
CVE-2026-7866 · NVD
CVE-2026-7866 · MITRE
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