{"schemaVersion":3,"id":"CVE-2026-94018","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"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.","dates":{"published":"2026-10-20T15:10:08.098Z","modified":"2026-10-20T17:03:21.440Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.8,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"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","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":8.8,"severity":"high","vector":"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","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":8.8,"severity":"high","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00395,"percentile":0.32579,"severity":"low","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-21T00:00:00.000Z","score":0.00395,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00395,"percentile":0.32579}],"last30":[{"date":"2026-10-21T00:00:00.000Z","score":0.00395,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00395,"percentile":0.32579}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-457","name":"Use of Uninitialized Variable","description":"The code uses a variable that has not been initialized, leading to unpredictable or unintended results.","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/457.html"},{"id":"CWE-824","name":"Access of Uninitialized Pointer","description":"The product accesses or uses a pointer that has not been initialized.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/824.html"}],"affected":[{"vendor":"eclipse foundation","product":"eclipse threadx - netx duo","name":"Eclipse ThreadX - NetX Duo","label":"eclipse threadx - netx duo","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 6.4.2, ≤ 6.5.1.202602","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 6.4.2, ≤ 6.5.1.202602","eol":null,"hubHref":"/vendor/eclipse_foundation/eclipse_threadx_-_netx_duo"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-wjxf-gjm5-jh5q","label":"github.com/eclipse-threadx/netxduo/security/advisories/GHSA-wjxf-gjm5-jh5q","hostname":"github.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-20T15:10:08.098Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-20T17:03:21.440Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T14:57:15.427Z","stale":false,"partial":false}}