PatchDay Alert

CVE

CVE-2026-37459

0field notes · 1digest CVSS 7.5


Daily digests

An integer underflow in FRRouting lets a remote attacker crash the BGP daemon by sending a crafted BGP UPDATE message. If your routers peer with untrusted or semi-trusted BGP neighbors, an attacker can take down your routing plane. This affects FRR stable/10.0 through stable/10.6.

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