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MEDIUM Attacks Microsoft Security Response Center

CVE-2026-37459 An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

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  • What: Integer underflow in FRRouting allows DoS via BGP UPDATE
  • Impact: Network administrators using FRRouting
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