CVE-2026-18457

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

Published Sep 22, 2026 CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
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.*.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.*.
Title Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers.
First Time appeared Rti
Rti connext Professional
Weaknesses CWE-122
CPEs cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
Vendors & Products Rti
Rti connext Professional
References
Metrics cvssV4_0

{'score': 8.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
RTI
Published
Updated
Sep 22, 2026, 6:48 PM
Reserved
Jul 31, 2026, 7:28 AM
Status
Awaiting Analysis
Published
Sep 22, 2026, 6:17 PM
Modified
Sep 22, 2026, 7:37 PM