PatchTheCVEconnext professional vulnerabilities and fixes
Recent CVEs affecting connext professional, with upgrade or downgrade steps. 2 tracked.
Also searched as: connextprofessional.
connext professional has 2 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-06-17. Highest priority: CVE-2026-3894 (score 39/100).
- CVE-2026-7300 MEDIUM 6.5 UPGRADE Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Profession
- CVE-2026-3894 CRITICAL 9.1 UPGRADE Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers
FAQ
How do I fix connext professional vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is connext professional being exploited right now?
None of the tracked connext professional CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which connext professional CVE should I patch first?
CVE-2026-3894 currently ranks highest (39/100): Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.