CVE-2025-53470

CVE-2025-53470: Apache Mynewt NimBLE: Out-of-Bounds Write Vulnerability in NimBLE HCI H4 driver

Vendor Apache Software Foundation
Product Apache Mynewt NimBLE
Weakness CWE-125
Published January 10, 2026
Last update January 12, 2026

CVSS base score

What the vulnerability does

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.

Key dates

Disclosure timeline

January 10, 2026 CVE published
January 12, 2026 Record updated