Division by zero Affecting zephyrproject-rtos/zephyr package, versions [3.5.0, 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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Test your applications- Snyk IDSNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-18302786
- published25 Jul 2026
- disclosed24 Jul 2026
- creditUnknown
Introduced: 24 Jul 2026
CVE-2026-7007 (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 Division by zero in the ext2_verify_disk_superblock process. An attacker can cause a system crash by presenting a crafted ext2 filesystem image with zero values in the s_blocks_per_group or s_inodes_per_group fields, leading to a division by zero during the mount sequence.