{"id":"CVE-2026-92843","revision":"7b6aa9163e3c4331a365c7779d86ebec","records":[{"revision":"7b6aa9163e3c4331a365c7779d86ebec","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-92843","aliases":[],"title":"Out-of-bounds Read via the TLS 1.3 Certificate extensions_length in NetX Secure","description":"A missing bounds check in the TLS 1.3 Certificate-message parser of NetX Secure lets a malicious TLS 1.3 server trigger an unsigned-integer underflow and a subsequent heap out-of-bounds read in any peer that processes a remote Certificate message. It is reachable pre-authentication, during the normal handshake, before certificate verification completes.","state":0,"publishedAt":"2026-10-20T15:12:55.919+00:00","modifiedAt":"2026-10-20T17:08:35.381+00:00","affected":[{"ecosystem":"Vendor product","name":"NetX Duo","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Eclipse Foundation\",\n                    \"product\": \"Eclipse ThreadX - NetX Duo\",\n                    \"packageName\": \"NetX Duo\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"6.5.1.202602\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"6.5.2.202603\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"}],"references":["https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-4m85-f9qh-q3jv"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-92843","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-92843","identifiers":["CVE-2026-92843"]},"retained":false,"historicalAffected":[]}],"coverage":[]}