NULL Pointer Dereference Affecting zephyrproject-rtos/zephyr package, versions [4.3.0,4.4.2-rc1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published29 Jun 2026
- disclosed28 Jun 2026
- creditUnknown
Introduced: 28 Jun 2026
CVE-2026-10593 (opens in a new tab)How to fix?
Upgrade zephyrproject-rtos/zephyr to version 4.4.2-rc1 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference via the unicast_client_ep_qos_state handler. An attacker can cause a system crash by sending a crafted GATT notification that triggers a write through a NULL pointer during a specific state transition in Bluetooth LE Audio BAP unicast client QoS-state handling.