Use After Free Affecting zephyrproject-rtos/zephyr package, versions [,4.3.1-rc1)[4.4.0-rc1,4.4.1-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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- published21 Jun 2026
- disclosed16 Jun 2026
- credittpambor
Introduced: 16 Jun 2026
CVE-2026-10637 (opens in a new tab)How to fix?
Upgrade zephyrproject-rtos/zephyr to version 4.3.1-rc1, 4.4.1-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the mld_send process. An attacker can cause a crash or potentially corrupt memory by sending a specially crafted link-local MLD Query that triggers use of a freed object in the networking stack. This is only exploitable if CONFIG_NET_STATISTICS_PER_INTERFACE is enabled.