Threats Tagged 'cve-2026-19740'
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Threats Tagged 'cve-2026-19740'
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0 CVE-2026-19740 is a denial-of-service vulnerability in the Zephyr Bluetooth LE Controller's Link Layer Control Procedure (LLCP) implementation. A peer device can exploit this flaw by sending a crafted sequence of LL Control PDUs that causes the controller to leak receive nodes from its limited pool, eventually exhausting resources and rendering Bluetooth inoperable until reboot. The issue affects Zephyr versions from 3.4.0 up to but not including 4.5.0. The vulnerability does not cause memory corruption or information disclosure, only availability impact. Join the discussion | CVE Database V5 | 10/11/2026, 17:15:08 UTC Added: 10/11/2026, 17:34:03 UTC |
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