CVE-2025-53470NVD

Vulnerability Summary

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.

Severity Level

LOW(3.1)

Published Date

Jan 10, 2026

Last Modified

Jan 14, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-125: Out-of-bounds Read ↗

The software reads data past the end, or before the beginning, of the intended buffer.

CVSS v3.1 Base Metrics — Score 3.1 (LOW)

Attack VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityLow

IntegrityNone

AvailabilityNone

Affected & Patched Versions

Affected Versions

Apache Nimble < 1.9.0

Patched Versions

Apache Nimble 1.9.0

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