Threats Tagged 'cve-2026-12633'
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Threats Tagged 'cve-2026-12633'
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0 CVE-2026-12633 is a memory safety vulnerability in the Zephyr project's IPv6 neighbor-discovery code. It arises from improper bounds checking of the 6LoWPAN Context Option (6CO) context_len field in Router Advertisements, leading to an out-of-bounds memset that overwrites kernel memory. This flaw can be triggered remotely by an unauthenticated attacker on the same local network segment, causing a denial of service through memory corruption. The vulnerability affects Zephyr versions from 1.8.0 up to but not including 4.4.2. A fix is available that rejects context_len values greater than 128 before processing. Join the discussion | CVE Database V5 | 08/19/2026, 20:37:34 UTC Added: 08/19/2026, 20:52:41 UTC |
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