What’s Vulnerable › Vulnerabilities

CVE-2024-51569: Apache NimBLE: Lack of input sanitization leading to out-of-bound reads in Number of Completed Packets HCI event handler

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-26 · updated 2026-06-17
• Weakness: CWE-125

Description

Out-of-bounds Read vulnerability in Apache NimBLE. Missing proper validation of HCI Number Of Completed Packets could lead to out-of-bound access when parsing HCI event and invalid read from HCI transport memory. This issue requires broken or bogus Bluetooth controller and thus severity is considered low. This issue affects Apache NimBLE: through 1.7.0. Users are recommended to upgrade to version 1.8.0, which fixes the issue.

Affected products

• Apache Software Foundation Apache NimBLE: before 1.8.0 — fixed in 1.8.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache NimBLE 1.8.0. Check the vendor advisory for mitigations.

References

• https://github.com/apache/mynewt-nimble/commit/4e3ac5b6e7c7df63a594c4ff6839e266b4ccfed9
• https://lists.apache.org/thread/q0vs5rddx1lho30xnpsrvpzgxqmywnhs
• http://www.openwall.com/lists/oss-security/2024/11/26/5

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