Low · 3.1 CVE-2025-53470 EUVD-2026-1849GHSA-p54q-9gfq-fvp4

Apache Mynewt NimBLE: Out-of-Bounds Write Vulnerability in NimBLE HCI H4 driver

Published Jan 10, 2026 · Updated Jan 12, 2026 · Assigned by apache

Description

Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memory read in H4 driver.

This issue affects Apache NimBLE: through 1.8.

This issue requires a broken or bogus Bluetooth controller and thus severity is considered low.

Users are recommended to upgrade to version 1.9, which fixes the issue.

Vendor	Product	Affected	Fixed
Apache Software Foundation	Apache Mynewt NimBLE	≤ 1.8	—