NULL pointer dereference in Apache NimBLE - CVE-2026-45816
Published: August 24, 2026
Vulnerability identifier: #VU144752
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-45816
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to a null pointer dereference in the LE Long Term Key Request event handling when processing a bogus controller LTK request. A remote attacker can trigger the vulnerable event to cause a denial of service.
Exploitation requires disabled asserts and a bogus or misbehaving controller.
Affected software
Apache NimBLE
How to mitigate CVE-2026-45816
Install security update from vendor's website.
Apache NimBLE - update to 1.10.0