CVE-2025-53477

Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer

Published Jan 10, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
NULL Pointer Dereference vulnerability in Apache Nimble.

Missing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference.
This issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low.

This issue affects Apache NimBLE: through 1.8.0.

Users are recommended to upgrade to version 1.9.0, which fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:apache:nimble:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache nimble
Vendors & Products Apache
Apache nimble
Type Values Removed Values Added
Description NULL Pointer Dereference vulnerability in Apache Nimble. Missing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference. This issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low. This issue affects Apache NimBLE: through 1.8.0. Users are recommended to upgrade to version 1.9.0, which fixes the issue.
Title Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer
Weaknesses CWE-476
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Jan 12, 2026, 4:54 PM
Reserved
Jun 30, 2025, 2:54 PM
Status
Analyzed
Published
Jan 10, 2026, 10:15 AM
Modified
Jun 17, 2026, 9:38 AM