CVE-2026-30803
Critical
Description
Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers. This issue affects Connext Micro: from 4.0.0 before 4.3.0.
SeverityCritical
CVSS9.1
Exploit probability—
ProductRti Connext Micro
PublishedJun 17, 2026
First seenJun 17, 2026
Weakness typeCWE-191CWE-191
How to fix
Update
- rti connext_micro4.3.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rti connext_micro | 4.0.0 ≤ v < 4.3.0 | 4.3.0 |
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