Integer Overflow or Wraparound Affecting zephyrproject-rtos/zephyr package, versions [4.2.0,4.3.0-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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Start learning- Snyk IDSNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-14426450
- published16 Dec 2025
- disclosed15 Dec 2025
- credit0xf00sec
Introduced: 15 Dec 2025
CVE-2025-12035 (opens in a new tab)How to fix?
Upgrade zephyrproject-rtos/zephyr to version 4.3.0-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the bt_br_acl_recv routine. An attacker can cause a denial of service by sending specially crafted Bluetooth BR/EDR L2CAP traffic that triggers an integer overflow during processing.