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Apache Nimble CVE-2026-45816

| EUVDEUVD-2026-48566 HIGH
NULL Pointer Dereference (CWE-476)
2026-07-24 apache GHSA-r25p-7q83-xfq4
7.5
CVSS 3.1 · Vendor: apache
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Severity by source

Vendor (apache) PRIMARY
7.5 LOW
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from Vendor (apache) · only source for this CVE.

CVSS VectorVendor: apache

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Source Code Evidence Fetched
Jul 26, 2026 - 11:51 vuln.today
Analysis Generated
Jul 26, 2026 - 11:51 vuln.today
CVSS changed
Jul 24, 2026 - 19:22 NVD
7.5 (HIGH)
CVE Published
Jul 24, 2026 - 12:11 cve.org
HIGH 7.5

DescriptionCVE.org

NULL Pointer Dereference vulnerability in Apache NimBLE in LE Long Term Key Request event.

This requires disabled asserts (otherwise assert would trigger before NULL dereference) and bogus (or misbehaving) controller, thus severity is low.

This issue affects Apache NimBLE: through 1.9.0.

Users are recommended to upgrade to version 1.10.0, which fixes the issue.

AnalysisAI

Denial-of-service in Apache NimBLE up to version 1.9.0 allows remote attackers to crash the BLE host by causing a NULL pointer dereference in the LE Long Term Key Request event handler. Exploitation requires the host to be built with assertions disabled and a bogus or misbehaving BLE controller. No active exploitation or public exploit code has been identified; the vendor rates severity as low.

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CVE-2026-45816 vulnerability details – vuln.today

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