Apache Nimble vulnerabilities

CVE-2026-45813 [HIGH] CWE-191 CVE-2026-45813: Out-of-bounds Write, Integer Underflow (Wrap or Wraparound) vulnerability in Apache NimBLE BASS serv Out-of-bounds Write, Integer Underflow (Wrap or Wraparound) vulnerability in Apache NimBLE BASS service. Improper validation when parsing BASS service "Add Source" and "Modify Source" operation PDU could results in stack buffer overflow or arbitrary out-of-bound read. This can be triggered by nearby devices over Bluetooth connection, however pairing

CVE-2025-62235 [HIGH] CWE-290 CVE-2025-62235: Authentication Bypass by Spoofing vulnerability in Apache NimBLE. Receiving specially crafted Secur Authentication Bypass by Spoofing vulnerability in Apache NimBLE. Receiving specially crafted Security Request could lead to removal of original bond and re-bond with impostor. This issue affects Apache NimBLE: through 1.8.0. Users are recommended to upgrade to version 1.9.0, which fixes the issue.

CVE-2026-45811 [HIGH] CWE-120 CVE-2026-45811: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBL Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBLE. The HCI socket transport did not check whether a received HCI event would fit the configured event pool before copying it, allowing a buffer overflow. Severity is low: exploitation requires either a misconfigured pool size or a malicious/compromised

CVE-2026-45815 [HIGH] CWE-617 CVE-2026-45815: Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable R Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response (BLE_ATT_OP_READ_MULT_VAR_RSP) may trigger assert in ATT parser. Severity is medium as this requires DUT to first send ATT Read Multiple Variable Request. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to ve

CVE-2024-51569 [HIGH] CWE-125 CVE-2024-51569: Out-of-bounds Read vulnerability in Apache NimBLE. Missing proper validation of HCI Number Of Compl Out-of-bounds Read vulnerability in Apache NimBLE. Missing proper validation of HCI Number Of Completed Packets could lead to out-of-bound access when parsing HCI event and invalid read from HCI transport memory. This issue requires broken or bogus Bluetooth controller and thus severity is considered low. This issue affects Apache NimBLE: through 1.7.

CVE-2025-53477 [HIGH] CWE-476 CVE-2025-53477: NULL Pointer Dereference vulnerability in Apache Nimble. Missing validation of HCI connection compl NULL Pointer Dereference vulnerability in Apache Nimble. Missing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference. This issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low. This issue affects Apache NimBLE: through 1.8.0. Users are recommend

CVE-2026-45816 [HIGH] CWE-476 CVE-2026-45816: NULL Pointer Dereference vulnerability in Apache NimBLE in LE Long Term Key Request event. This req NULL Pointer Dereference vulnerability in Apache NimBLE in LE Long Term Key Request event. This requires disabled asserts (otherwise assert would trigger before NULL dereference) and bogus (or misbehaving) controller, thus severity is low. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to version 1.10.0, which fixe

CVE-2025-52435 [HIGH] CWE-5 CVE-2025-52435: J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE. Imprope J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE. Improper handling of Pause Encryption procedure on Link Layer results in a previously encrypted connection being left in un-encrypted state allowing an eavesdropper to observe the remainder of the exchange. This issue affects Apache NimBLE: through <= 1.8.0. Use

CVE-2024-24746 [HIGH] CWE-835 CVE-2024-24746: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Apache NimBLE. Specially c Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Apache NimBLE. Specially crafted GATT operation can cause infinite loop in GATT server leading to denial of service in Bluetooth stack or device. This issue affects Apache NimBLE: through 1.6.0. Users are recommended to upgrade to version 1.7.0, which fixes the issue.

CVE-2026-45812 [MEDIUM] CWE-131 CVE-2026-45812: Incorrect Calculation of Buffer Size vulnerability in Apache NimBLE when processing Legacy Advertisi Incorrect Calculation of Buffer Size vulnerability in Apache NimBLE when processing Legacy Advertising Report HCI event. When a single HCI advertising report event bundles multiple reports, NimBLE miscalculated the offset to the next report. This can cause the host to read past the end of the buffer and deliver a GAP event with bogus data to the ap

CVE-2024-47248 [MEDIUM] CWE-120 CVE-2024-47248: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBL Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBLE. Specially crafted MESH message could result in memory corruption when non-default build configuration is used. This issue affects Apache NimBLE: through 1.7.0. Users are recommended to upgrade to version 1.8.0, which fixes the issue.

CVE-2026-46452 [MEDIUM] CWE-20 CVE-2026-46452: Improper Input Validation vulnerability in Apache NimBLE in Mesh Proxy SAR reassembly could result i Improper Input Validation vulnerability in Apache NimBLE in Mesh Proxy SAR reassembly could result in passing broken data toward application resulting in memory pressure and unstable parsing behavior. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to version 1.10.0, which fixes the issue.

CVE-2024-47250 [MEDIUM] CWE-125 CVE-2024-47250: Out-of-bounds Read vulnerability in Apache NimBLE. Missing proper validation of HCI advertising rep Out-of-bounds Read vulnerability in Apache NimBLE. Missing proper validation of HCI advertising report could lead to out-of-bound access when parsing HCI event and thus bogus GAP 'device found' events being sent. This issue requires broken or bogus Bluetooth controller and thus severity is considered low. This issue affects Apache NimBLE: through 1.

CVE-2024-47249 [MEDIUM] CWE-129 CVE-2024-47249: Improper Validation of Array Index vulnerability in Apache NimBLE. Lack of input validation for HCI Improper Validation of Array Index vulnerability in Apache NimBLE. Lack of input validation for HCI events from controller could result in out-of-bound memory corruption and crash. This issue requires broken or bogus Bluetooth controller and thus severity is considered low. This issue affects Apache NimBLE: through 1.7.0. Users are recommended to u

CVE-2025-53470 [LOW] CWE-125 CVE-2025-53470: Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memory read in H4 driver. This issue affects Apache NimBLE: through 1.8. This issue requires a broken or bogus Bluetooth controller and thus severity is considered low. Users are recommended to upgrade to version 1.9, which fixes the issu