{"id":"CVE-2025-53477","aliases":["EUVD-2026-1853","GHSA-6phw-p8vc-q8gp"],"status":"published","title":"Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer","description":"NULL Pointer Dereference vulnerability in Apache Nimble.\n\nMissing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference.\nThis issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low.\n\nThis issue affects Apache NimBLE: through 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00815,"percentile":0.57542,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-01-10T09:45:27Z","modified":"2026-10-28T11:02:07Z","products":[{"vendor":"apache","product":"nimble"},{"vendor":"apache software foundation","product":"apache mynewt nimble"}],"references":[{"url":"https://github.com/apache/mynewt-nimble/commit/0caf9baeb271ede85fcc5237ab87ddbf938600da","tags":["patch","Patch","fix"]},{"url":"https://github.com/apache/mynewt-nimble/commit/3160b8c4c7ff8db4e0f9badcdf7df684b151e077","tags":["patch","Patch","fix"]},{"url":"https://lists.apache.org/thread/1dxthc132hwm2tzvjblrtnschcsbw2vo","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/01/08/3","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53477","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6phw-p8vc-q8gp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53477.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-53477","title":"Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer","description":"NULL Pointer Dereference vulnerability in Apache Nimble.\n\nMissing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference.\nThis issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low.\n\nThis issue affects Apache NimBLE: through 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T09:45:27.63Z","modified":"2026-01-12T16:54:48.496Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:32:49.180768Z"}],"euvd":[{"id":"EUVD-2026-1853","description":"NULL Pointer Dereference vulnerability in Apache Nimble.\n\nMissing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference.\nThis issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low.\n\nThis issue affects Apache NimBLE: through 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T09:45:27Z","modified":"2026-01-12T16:54:48Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:53.22038Z"}],"ghsa":[{"id":"GHSA-6phw-p8vc-q8gp","title":"NULL Pointer Dereference vulnerability in Apache Nimble.\n\nMissing validation of HCI connection...","description":"NULL Pointer Dereference vulnerability in Apache Nimble.\n\nMissing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference.\nThis issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low.\n\nThis issue affects Apache NimBLE: through 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T12:30:16Z","modified":"2026-01-12T18:30:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:05:34.043335Z"}],"nvd":[{"id":"CVE-2025-53477","description":"NULL Pointer Dereference vulnerability in Apache Nimble.\n\nMissing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference.\nThis issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low.\n\nThis issue affects Apache NimBLE: through 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T10:15:50.66Z","modified":"2026-06-17T09:38:16.767Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:11:56.616231Z"}],"osv":[{"id":"CVE-2025-53477","title":"Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer","description":"NULL Pointer Dereference vulnerability in Apache Nimble.\n\nMissing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference.\nThis issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low.\n\nThis issue affects Apache NimBLE: through 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T09:45:27.63Z","modified":"2026-10-28T11:02:07.195783648Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:44:50.45326Z"}]}}