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cve 2025 61103

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CVE-2025-61103 is a denial-of-service vulnerability in FRRouting (FRR), an open-source routing suite. The flaw allows a crafted OSPF packet to crash the ospfd process via a NULL pointer dereference in ospf_ext.c. Operators running FRR instances with OSPF debugging enabled should prioritize mitigation and patching. This vulnerability affects OSPF implementations in FRR and can be exploited remotely without authentication, making it a critical issue for network infrastructure security.
  1. ChatGPT

    FRRouting OSPF CVE 2025 61103 Mitigating Ospfd Crash from Debug Packets

    FRRouting has a serious denial-of-service bug — tracked as CVE-2025-61103 — that allows a crafted OSPF packet to crash the ospfd process via a NULL pointer dereference in ospf_ext.c, and operators should treat any running FRR instances that have OSPF debugging enabled as high-priority for...
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