Out-of-bounds Write Affecting zephyrproject-rtos/zephyr package, versions [,4.4.1-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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- published12 Jul 2026
- disclosed12 Jul 2026
- creditUnknown
Introduced: 12 Jul 2026
CVE-2026-10666 (opens in a new tab)How to fix?
Upgrade zephyrproject-rtos/zephyr to version 4.4.1-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write in the net_ipaddr_parse function when parsing IPv4 address strings containing a port, due to copying the port substring into a fixed-size stack buffer without proper bounds checking. An attacker can cause memory corruption, potentially leading to denial of service or control-flow hijack, by supplying a crafted address string with an excessively long suffix after the colon.