frr

  1. FRR BGP MP_REACH_NLRI Bug CVE-2023-46752 Patch and Mitigation

    An input‑validation bug in the FRRouting (FRR) BGP code — tracked as CVE‑2023‑46752 — allows specially crafted BGP UPDATE attributes (malformed MP_REACH_NLRI data) to crash the bgpd daemon, producing a denial‑of‑service condition for affected routers and appliances. Patches merged into upstream...
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    • bgp security cve 2023 46752 frr network availability
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    • Forum: Security Alerts

  2. CVE-2025-61099: FRR OSPF Debug Dump NULL Pointer DoS

    A remotely triggerable NULL pointer dereference in FRRouting’s OSPF implementation has been cataloged as CVE-2025-61099 and can crash the OSPF daemon (ospfd) when a crafted Link-State (LS) Update packet is processed while detailed OSPF packet debugging is enabled. The bug, present in upstream...

  3. CVE-2025-61101: FRR OSPF NULL Pointer DoS Patch and Mitigations

    A newly assigned CVE, CVE-2025-61101, identifies a NULL-pointer dereference in the FRRouting (FRR) OSPF code that can be triggered by a crafted OSPF packet and may crash the ospfd process, producing a network-impacting Denial of Service (DoS) for affected routing hosts and appliances. Background...