CVE-2026-45811 Apache NimBLE: Buffer overflow in socket HCI transport

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...

CVE-2026-45811

Apache NimBLE versions through 1.9.0 are vulnerable to a Classic Buffer Overflow in the HCI socket transport . The root cause is a failure to verify if a received HCI event fits within the configured event pool before copying it. Exploitation is difficult as it requires either a misconfigured poo...