CVE-2026-18457

Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers.

State: Published
Severity: 8.3 High
Published: Sep 22, 2026
Updated: Sep 22, 2026
Reserved: Jul 31, 2026

Description

Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.3 before 5.2.*.

Scores

CVSS	Score	Vector	Source
4.0	8.3 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N	RTI

Weaknesses

CWE-122 Heap-based Buffer Overflow

Affected Products

Product	Versions
Connext ProfessionalRTI	7.4.0 to before 7.7.0.1Affected 7.0.0 to before 7.3.1.6Affected 6.1.0 to before 6.1.Affected 6.0.0 to before 6.0.Affected 5.3.0 to before 5.3.Affected 5.2.3 to before 5.2.Affected

References

https://www.rti.com/vulnerabilities/#cve-2026-18457

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