CVE-2026-45813: high-severity vulnerability in Apache NimBLE
Apache NimBLE: Incorrect data validation in BASS add/modify source operation
Published
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.5%
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 is required prior to accessing BASS service, which depending on device configuration may or may not require user action.
This issue affects Apache NimBLE: through 1.9.0.
Users are recommended to upgrade to version 1.10.0, which fixes the issue.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Apache Software Foundation · Apache NimBLERelated CVEs — Apache NimBLE
In the same product, most dangerous first.
CVE-2024-24746HIGHApache NimBLE: Denial of service in NimBLE Bluetooth stackEPSS 1.4%CVE-2024-51569HIGHApache NimBLE: Lack of input sanitization leading to out-of-bound reads in Number of Completed Packets HCI event handlerEPSS 1.2%CVE-2026-45816HIGHApache NimBLE: NULL pointer dereference vulnerability in SMP LTK requestEPSS 1.0%CVE-2026-45815HIGHApache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handlerEPSS 1.0%CVE-2026-46452MEDIUMApache NimBLE: Mesh Proxy SAR reassembly unbounded append and unchecked failureEPSS 0.9%CVE-2024-47248MEDIUMApache NimBLE: Buffer overflow in NimBLE MESH Bluetooth stackEPSS 0.7%