NULL Pointer Dereference Affecting zephyrproject-rtos/zephyr package, versions [4.3.0,4.3.1)[4.4.0,4.4.2-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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- published25 Jul 2026
- disclosed22 Jul 2026
- creditUnknown
Introduced: 22 Jul 2026
CVE-2026-10678 (opens in a new tab)How to fix?
Upgrade zephyrproject-rtos/zephyr to version 4.3.1, 4.4.2-rc1 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference in the mctp_i2c_gpio_target_write_received process. An attacker can cause memory corruption or system crash by sending crafted I2C commands that trigger a write through a NULL or unallocated pointer, or by overflowing the receive buffer.