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CVE-2026-12633 Out-of-bounds write in IPv6 6LoWPAN Context Option handling via unauthenticated Router Advertisement

🗓️ 19 Aug 2026 20:37:34Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 9 Views

Unauthenticated link-local Router Advertisement with oversized 6LoWPAN Context Option triggers unbounded memset, corrupting kernel memory and causing denial of service.

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