{"id":"CVE-2026-2467","title":"Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags","summary":"Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","cwe":["CWE-122"],"vendor":"rti","product":"connext_professional","affected":["connext_professional >= 5.3.0, < 7.7.0"],"patched":["connext_professional 7.7.0"],"published":"2026-06-17","updated":"2026-09-22","sourceUpdated":"2026-09-22T18:17:12.877","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-2467","references":[{"url":"https://www.rti.com/vulnerabilities/#cve-2026-2467","label":"3f572a00-62e2-4423-959a-7ea25eff1638"}],"tags":["nvd","cve.org"],"epss":0.00189,"epssPercentile":0.0875,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-06-17T18:03:21.528088Z"},"scores":{"nvd":8.1,"cna":9.2},"ingestedAt":"2026-09-22T18:08:12.487Z","slug":"CVE-2026-2467","body":"## Overview\n\nHeap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 5.0.0 before 5.1.*.\n\n## Affected\n\n- `connext_professional >= 5.3.0, < 7.7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `connext_professional 7.7.0`","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":209299,"id":"CVE-2026-2467","ts":1790104185713,"field":"cvss","old":"9.2","new":"8.1"},{"seq":209298,"id":"CVE-2026-2467","ts":1790104185713,"field":"severity","old":"critical","new":"high"}]}