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Apache Nimble EUVDEUVD-2026-48565

| CVE-2026-45815 HIGH
Reachable Assertion (CWE-617)
2026-07-24 apache GHSA-v377-9cxj-ww4r
7.5
CVSS 3.1 · Vendor: apache
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Severity by source

Vendor (apache) PRIMARY
7.5 MEDIUM
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 - 12:10 cve.org
HIGH 7.5

DescriptionCVE.org

Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response (BLE_ATT_OP_READ_MULT_VAR_RSP) may trigger assert in ATT parser.

Severity is medium as this requires DUT to first send ATT Read Multiple Variable Request.

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 1.9.0 and earlier allows a remote attacker to crash the BLE host stack via a crafted ATT Read Multiple Variable Response. The vulnerability is triggered when a vulnerable device, acting as a BLE Central, sends a Read Multiple Variable Request and receives a malicious response that causes an assertion failure in the ATT parser. Exploitation is not known to be active in the wild, and a patch is available in version 1.10.0.

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EUVD-2026-48565 vulnerability details – vuln.today

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