CVE-2026-30803

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.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.rti.com/vulnerabilities/#cve-2026-30803	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:rti:connext_micro:*:*:*:*:*:*:*:*

History

08 Jul 2026, 14:05

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.1
First Time		Rti Rti connext Micro
References	~~() https://www.rti.com/vulnerabilities/#cve-2026-30803 -~~	() https://www.rti.com/vulnerabilities/#cve-2026-30803 - Vendor Advisory
CPE		cpe:2.3:a:rti:connext_micro::::::::

17 Jun 2026, 20:20

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-17 18:17

Updated : 2026-07-08 14:05

NVD link : CVE-2026-30803

Mitre link : CVE-2026-30803

CVE.ORG link : CVE-2026-30803

JSON object : View

Products Affected

rti

connext_micro

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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