CVE-2026-18458

MEDIUMCVSS 6.8/10

Last modified

CVE-2026-18458 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6, from 6.1.2.21 before 6.1.*..

Description

Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6, from 6.1.2.21 before 6.1.*.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
RTIConnext Professional>= 7.4.0, < 7.7.0.1; >= 7.3.0, < 7.3.1.6; >= 6.1.2.21, < 6.1.*

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-18458?
Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6, from 6.1.2.21 before 6.1.*.
How severe is CVE-2026-18458?
CVE-2026-18458 has a CVSS score of 6.8/10 (MEDIUM severity).
How do I fix CVE-2026-18458?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST