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CVE-2026-7300

Connext Professional · buffer overflow

CVSS 4.0 8.8 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-7300

Published

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.3, from 6.1.2 before 6.1.*.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-7300

Published

connext_professional

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "modules": [
                        "Web Integration Service"
                    ],
                    "product": "Connext Professional",
                    "packageName": "connext_professional",
                    "packageURL": "pkg:generic/connext_professional",
                    "vendor": "RTI",
                    "versions": [
                        {
                            "lessThan": "7.7.0.1",
                            "status": "affected",
                            "version": "7.4.0",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "7.3.1.3",
                            "status": "affected",
                            "version": "7.0.0",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "6.1.*",
                            "status": "affected",
                            "version": "6.1.2",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON