CVE-2026-30803

CriticalCVSS 9.1/10Last modified Sep 22, 2026

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.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-191

Affected software

No affected versions have been published.

Timeline

Published
Jun 17, 2026
Last modified
Sep 22, 2026
NVD status
Modified

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CVE-2026-30803: Critical severity, CVSS 9.1 | Vulnix