CVE-2026-45815 Details
Description
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.
A reachable assertion vulnerability has been identified in Apache NimBLE versions through 1.9.0. This vulnerability arises in the Attribute Protocol (ATT) parser, where a specially crafted Read Multiple Variable Response can trigger an assertion failure. The issue requires the Device Under Test (DUT) to first send a Read Multiple Variable Request, which contributes to its moderate severity.
Users are advised to upgrade to Apache NimBLE version 1.10.0, which addresses this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 24, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/07/24/14 | CVE | Mailing ListThird Party Advisory |
| https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425 | [email protected] | Patch |
| https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbos | [email protected] | Mailing ListVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-617 | Reachable Assertion | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| apache nimble | < 1.10.0 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 27, 2026 | Initial Analysis | [email protected] |
| Jul 24, 2026 | CVE Modified | CISA-ADP |
| Jul 24, 2026 | CVE Modified | CVE |
| Jul 24, 2026 | New CVE Received | [email protected] |