CVE-2023-0396
Buffer Overreads in Bluetooth HCI
A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.
- Record
CVE-2023-0396- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-126, CWE-125
- Updated
- 2026-11-02
CVE List
Buffer Overreads in Bluetooth HCI
A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.
- Record
CVE-2023-0396- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-126
- Updated
- 2026-11-02
EUVDEUVD-2023-12457
A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.
- Record
EUVD-2023-12457- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
Buffer Overreads in Bluetooth HCI
A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.
- Record
CVE-2023-0396- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-126
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-0396 is a medium vulnerability (CVSS 6.8) in Zephyrproject Zephyr, published January 19, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.