What’s Vulnerable › Vulnerabilities

CVE-2023-0396: Buffer Overreads in Bluetooth HCI

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-01-25 · updated 2026-06-17
• Weakness: CWE-126

Description

A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.

Affected products

• zephyrproject zephyr: through 3.2.0

References

• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8rpp-6vxq-pqg3
• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8rpp-6vxq-pqg3

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