{"id":"CVE-2025-53470","summary":"Apache Mynewt NimBLE: Out-of-Bounds Write Vulnerability in NimBLE HCI H4 driver","details":"Out-of-bounds Read vulnerability in Apache  NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memory read in H4 driver.\n\nThis issue affects Apache NimBLE: through 1.8. \n\nThis issue requires a broken or bogus Bluetooth controller and thus severity is considered low.\n\nUsers are recommended to upgrade to version 1.9, which fixes the issue.","modified":"2026-08-12T14:52:44.520811Z","published":"2026-01-10T09:46:35.789Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53470.json","cna_assigner":"apache","cwe_ids":["CWE-125"]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/01/08/2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53470.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/32sm0944dyod4sdql77stgyw9xb2msc0"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53470"},{"type":"FIX","url":"https://github.com/apache/mynewt-nimble/commit/b973df0c6cf7b30efbf8eb2cafdc1ee843464b76"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/mynewt-nimble","events":[{"introduced":"0"},{"fixed":"da7e3256da3ba80b232df880f40d8359311cc62e"},{"fixed":"b973df0c6cf7b30efbf8eb2cafdc1ee843464b76"}],"database_specific":{"cpe":"cpe:2.3:a:apache:nimble:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.9.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["nimble_1_8_0_tag","nimble_1_8_0_rc1_tag","nimble_1_7_0_tag","nimble_1_7_0_rc1_tag","nimble_1_6_0_tag","nimble_1_6_0_rc1_tag","nimble_1_5_0_tag","nimble_1_5_0_rc1_tag"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-53470.json","vanir_signatures_modified":"2026-08-12T14:52:44Z","vanir_signatures":[{"signature_type":"Function","signature_version":"v1","source":"https://github.com/apache/mynewt-nimble/commit/b973df0c6cf7b30efbf8eb2cafdc1ee843464b76","target":{"file":"nimble/transport/common/hci_h4/src/hci_h4.c","function":"hci_h4_sm_w4_header"},"deprecated":false,"digest":{"function_hash":"195062753234743226747269630964856657710","length":1599},"id":"CVE-2025-53470-82604874"},{"signature_version":"v1","source":"https://github.com/apache/mynewt-nimble/commit/b973df0c6cf7b30efbf8eb2cafdc1ee843464b76","target":{"file":"nimble/transport/common/hci_h4/src/hci_h4.c"},"deprecated":false,"digest":{"line_hashes":["66536908622373870292629656214176091635","76763060761122660311126158760789099817","282262261505899381370371316599241633182","270460855469330194384128204579441502433"],"threshold":0.9},"id":"CVE-2025-53470-c41f11ef","signature_type":"Line"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}