Vulnerability · Published Jun 17, 2026 · Assigned by RTI
CVE-2026-2467Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.
Critical 9.2
In plain English
A critical-severity heap buffer overflow in Connext Professional from RTI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Official description
Heap-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 7.7.0, 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.*.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| RTI | Connext Professional | 7.4.0 – before 7.7.07.0.0 – before 7.3.1.36.1.0 – before 6.1.*6.0.0 – before 6.0.*5.3.0 – before 5.3.*5.2.0 – before 5.2.*5.0.0 – before 5.1.* |
Weakness: CWE-122 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H