{"id":"CVE-2026-106464","aliases":["EUVD-2026-101502","GHSA-ww3q-3444-q488"],"status":"published","title":"Out-of-bounds read via an empty signature BIT STRING in NetX Secure X.509 parsing","description":"In Eclipse ThreadX NetX Duo versions up to and including 6.5.2.202603, the NetX Secure X.509 parser accepts a certificate whose signature is an empty BIT STRING and records a signature length of 0xFFFFFFFF. A remote peer can present such a certificate during the TLS handshake, before authentication, and make the device read far outside the certificate buffer during signature verification, which is expected to fault.","severity":{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00209,"percentile":0.11208,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-191"],"published":"2026-10-14T17:41:43Z","modified":"2026-11-04T13:20:59Z","products":[{"vendor":"eclipse foundation","product":"eclipse threadx netx duo"}],"references":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-ww3q-3444-q488","tags":["advisory"]},{"url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/368","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/106xxx/CVE-2026-106464.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106464","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-106464","title":"Out-of-bounds read via an empty signature BIT STRING in NetX Secure X.509 parsing","description":"In Eclipse ThreadX NetX Duo versions up to and including 6.5.2.202603, the NetX Secure X.509 parser accepts a certificate whose signature is an empty BIT STRING and records a signature length of 0xFFFFFFFF. A remote peer can present such a certificate during the TLS handshake, before authentication, and make the device read far outside the certificate buffer during signature verification, which is expected to fault.","status":"published","published":"2026-10-14T17:41:43.585Z","modified":"2026-11-04T13:20:59.238Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna"}],"cwes":["CWE-125","CWE-191"],"updated_at":"2026-11-04T14:31:12.473889Z"}],"euvd":[{"id":"EUVD-2026-101502","description":"In Eclipse ThreadX NetX Duo versions up to and including 6.5.2.202603, the NetX Secure X.509 parser accepts a certificate whose signature is an empty BIT STRING and records a signature length of 0xFFFFFFFF. A remote peer can present such a certificate during the TLS handshake, before authentication, and make the device read far outside the certificate buffer during signature verification, which is expected to fault.","status":"published","published":"2026-10-14T17:41:43Z","modified":"2026-11-04T13:20:59Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high"}],"updated_at":"2026-11-04T14:03:44.179326Z"}],"nvd":[{"id":"CVE-2026-106464","description":"In Eclipse ThreadX NetX Duo versions up to and including 6.5.2.202603, the NetX Secure X.509 parser accepts a certificate whose signature is an empty BIT STRING and records a signature length of 0xFFFFFFFF. A remote peer can present such a certificate during the TLS handshake, before authentication, and make the device read far outside the certificate buffer during signature verification, which is expected to fault.","status":"published","published":"2026-10-14T18:17:24.96Z","modified":"2026-11-04T14:17:20.82Z","cvss":[{"version":"4.0","score":8.7,"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/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","level":"high","assessor":"secondary"}],"cwes":["CWE-125","CWE-191"],"updated_at":"2026-11-04T16:04:14.047747Z"}],"osv":[{"id":"CVE-2026-106464","title":"Out-of-bounds read via an empty signature BIT STRING in NetX Secure X.509 parsing","description":"In Eclipse ThreadX NetX Duo versions up to and including 6.5.2.202603, the NetX Secure X.509 parser accepts a certificate whose signature is an empty BIT STRING and records a signature length of 0xFFFFFFFF. A remote peer can present such a certificate during the TLS handshake, before authentication, and make the device read far outside the certificate buffer during signature verification, which is expected to fault.","status":"published","published":"2026-10-14T17:41:43.585Z","modified":"2026-11-07T10:47:27.848985532Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high"}],"cwes":["CWE-125","CWE-191"],"updated_at":"2026-11-07T11:15:38.581573Z"}]}}