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2026-01-12
RIOT OS ethos Utility Stack-based Buffer Overflow Vulnerability (CVE-2026-22214) Security Advisory
[Affected Scope] ethos utility in RIOT OS versions up to and including 2026.01-devel-317
[Impact] Unauthenticated remote attackers can send crafted serial or TCP-framed input to corrupt memory, leading to application crashes or potential arbitrary code execution
[Mitigation] Apply the latest source code patches, or manually implement bounds checking in the ethos utility's frame parser and rebuild