Threats Tagged 'cve-2026-18746'
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Threats Tagged 'cve-2026-18746'
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0 CVE-2026-18746 is a memory-safety vulnerability in the Zephyr project's LwM2M message handling code. It occurs when processing inbound CoAP WRITE/CREATE requests with a Block1 option, leading to a NULL pointer dereference and a fatal memory fault that causes device crashes or resets. The flaw arises from improper handling of block context allocation and validation. This vulnerability does not affect confidentiality or integrity but results in denial of service. It affects Zephyr versions from 3.7.0 up to but not including 4.5.0. The CVSS score is 5.9 (medium severity). Join the discussion | CVE Database V5 | 09/28/2026, 23:25:24 UTC Added: 09/29/2026, 01:57:31 UTC |
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