Threats Tagged 'cve-2026-19739'
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Threats Tagged 'cve-2026-19739'
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0 CVE-2026-19739 is a denial of service vulnerability in the Zephyr Bluetooth Link Layer controller affecting versions from 3.4.0 up to but not including 4.5.0. The flaw involves improper handling of retained RX nodes during connection update procedures, which can lead to either a fatal controller error or exhaustion of the controller's RX buffer pool. This can be triggered remotely by an unauthenticated attacker within radio range without requiring pairing, bonding, or encryption. The impact is a persistent denial of service until the device is rebooted, with no memory corruption or data disclosure. Join the discussion | CVE Database V5 | 10/11/2026, 17:15:06 UTC Added: 10/11/2026, 17:34:03 UTC |
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