CVE-2026-45815

HIGH7.5

Apache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handler

Published Jul 24, 2026

Modified 1 months ago

Details

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.

References

WEB

http://www.openwall.com/lists/oss-security/2026/07/24/14

FIX

https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425

ADVISORY

https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbos

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-45815

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

Other

CWE-617

Ecosystems

Timeline

PublishedJul 24, 2026

ModifiedJul 24, 2026

CVE-2026-45815 | Mondoo Vulnerability Intelligence