https://seclists.org/oss-sec/2026/q3/240: CVE-2026-45812: Apache NimBLE: OOB ad via sizeof(pointer) in Legacy Advertising port Handler

Published Jul 24, 2026
·
Updated

Affected Software

1 affected component
Apache NimBLE<=1.9.0
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Frequently Asked Questions

1

What is the severity of CVE-2026-45812?

The severity of CVE-2026-45812 is classified as low.

2

Which versions are affected by CVE-2026-45812?

CVE-2026-45812 affects Apache NimBLE versions up to and including 1.9.0.

3

What is the nature of the vulnerability in CVE-2026-45812?

CVE-2026-45812 is due to an incorrect calculation of buffer size when processing Legacy Advertising Report HCI events in Apache NimBLE.

4

How do I fix CVE-2026-45812?

To fix CVE-2026-45812, upgrade Apache NimBLE to a version beyond 1.9.0.

5

What potential impact does CVE-2026-45812 pose?

CVE-2026-45812 could potentially lead to out-of-bounds access due to buffer miscalculation in the advertising report processing.

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