https://seclists.org/oss-sec/2026/q1/40: CVE-2025-53470: Apache NimBLE: Out-of-Bounds Write Vulnerability in NimBLE HCI H4 driver

Published Jan 8, 2026
·
Updated

Affected Software

1 affected component
Apache NimBLE<=1.8
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Frequently Asked Questions

1

What is the severity of CVE-2025-53470?

The severity of CVE-2025-53470 is classified as low.

2

What versions of Apache NimBLE are affected by CVE-2025-53470?

Apache NimBLE versions through 1.8 are affected by CVE-2025-53470.

3

How do I fix CVE-2025-53470?

To fix CVE-2025-53470, upgrade to a patched version of Apache NimBLE beyond 1.8.

4

What type of vulnerability is CVE-2025-53470?

CVE-2025-53470 is an out-of-bounds write vulnerability in the NimBLE HCI H4 driver.

5

What could be the impact of CVE-2025-53470?

CVE-2025-53470 could lead to invalid memory reads caused by specially crafted HCI events.

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