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CVE-2026-2467 RTI CVE debrief

A Heap-based Buffer Overflow vulnerability was discovered in RTI Connext Professional (Core Libraries), which could allow an attacker to overflow variables and tags. The issue affects Connext Professional versions 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.*, and from 5.0.0 before 5.2.*. This vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial-of-service condition.

Vendor
RTI
Product
Connext Professional
CVSS
CRITICAL 9.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-17
Advisory published
2026-06-17
Advisory updated
2026-06-17

Who should care

Users of RTI Connext Professional (Core Libraries) versions 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.*, and from 5.0.0 before 5.2.* should be aware of this vulnerability and take necessary actions to mitigate the risk. This includes operators, platform administrators, vulnerability management teams, and security teams.

Technical summary

The CVE-2026-2467 vulnerability is a Heap-based Buffer Overflow in RTI Connext Professional (Core Libraries). The vulnerability allows an attacker to overflow variables and tags. The affected versions are 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.*, and from 5.0.0 before 5.2.*. This vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial-of-service condition.

Defensive priority

High

Recommended defensive actions

  • Inventory and verify affected RTI Connext Professional (Core Libraries) versions
  • Apply patches or updates to affected versions
  • Implement compensating controls to mitigate the risk
  • Monitor for suspicious activity
  • Exception tracking and retest
  • Review relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-06-17T18:17:41.890Z and was last modified on 2026-06-17T20:20:10.920Z. The NVD entry is currently Undergoing Analysis. This information is based on the CVE record and NVD entry. However, the details provided are limited, and further verification is necessary to fully understand the vulnerability. The affected versions of RTI Connext Professional (Core Libraries) are 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.*, and from 5.0.0 before 5.2.*. The vulnerability allows an attacker to overflow variables and tags.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-06-17T18:17:41.890Z and has not been modified since then. The NVD entry is currently Undergoing Analysis.