Connext Professional vulnerability

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags. This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6.1.0 before 6.1.2.23, from 6.0.0 before 6.0.1.42, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.5c before 5.1.*.

Published 8 May 2025Updated 22 Sep 20261 sources
CVSS 6.9

What happened

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags. This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6.1.0 before 6.1.2.23, from 6.0.0 before 6.0.1.42, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.5c before 5.1.*.

Affected versions

Connext Professional: 7.4.0 through before 7.5.0 (custom); 7.0.0 through before 7.3.0.7 (custom); 6.1.0 through before 6.1.2.23 (custom); 6.0.0 through before 6.0.1.42 (custom); 5.3.0 through before 5.3.* (custom); 5.2.0 through before 5.2.* (custom); 4.5c through before 5.1.* (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.