{"id":"CVE-2026-94018","summary":"NetX Duo Web HTTP server releases an uninitialized packet pointer on the PUT Content-Length underflow path","details":"The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a `Content-Length` underflow while processing a `PUT` request. The condition is reachable by an unauthenticated remote client with a single malformed request.","aliases":["GHSA-wjxf-gjm5-jh5q"],"modified":"2026-10-21T03:00:18.086782199Z","published":"2026-10-20T15:10:08.098Z","database_specific":{"cna_assigner":"eclipse","cwe_ids":["CWE-457","CWE-824"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94018.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94018.json"},{"type":"ADVISORY","url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-wjxf-gjm5-jh5q"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94018"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eclipse-threadx/netxduo","events":[{"introduced":"bd5d12e9e601015a560b2e3bef0e78d63fc0d6c3"},{"last_affected":"1a0e9e43a03e37ddecfb6b49e9b078d6e1803d05"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"6.4.2"},{"last_affected":"6.5.1.202602"}],"source":"AFFECTED_FIELD"}]}}],"versions":["v6.5.1.202602_rel","v6.5.0.202601_rel","v6.4.5.202504_rel","v6.4.4.202503a","v.6.4.4.202503_rel","v6.4.3_rel","v6.4.2_rel"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-94018.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N"}]}