CVE-2024-47249 Apache NimBLE: Lack of input sanitization leading to out-of-bound reads in multiple advertisement handler

What is CVE-2024-47249?

CVE-2024-47249 is a medium-severity memory corruption vulnerability in Apache NimBLE, published on 26 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper Validation of Array Index vulnerability in Apache NimBLE.

Lack of input validation for HCI events from controller could result in out-of-bound memory corruption and crash. 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.

Weakness: CWE-129

Which versions are affected by CVE-2024-47249?

It affects 1 product.

Products include Apache Nimble.

How do I fix CVE-2024-47249?

No fix has been published for CVE-2024-47249 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-47249 being exploited?

There is no known exploitation of CVE-2024-47249 in the wild and no public exploit code.

Other vulnerabilities in Apache NimBLE

• CVE-2026-45813 Apache NimBLE: Incorrect data validation in BASS add/modify source operation High 8.8
• CVE-2025-62235 Apache Mynewt NimBLE: Incorrect handling of SMP Security Request could lead to undesirable pairing High 8.1
• CVE-2026-45811 Apache NimBLE: Buffer overflow in socket HCI transport High 7.5
• CVE-2026-45815 Apache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handler High 7.5
• CVE-2026-45816 Apache NimBLE: NULL pointer dereference vulnerability in SMP LTK request High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-fw6g-5qw9-p3mx.