frrouting

  1. FRRouting OSPF CVE-2025-61105 Remote DoS Crash via Debug Dump

    FRRouting’s OSPF implementation contains a remotely triggerable NULL-pointer dereference in the show_vty_link_info path of ospf_ext.c that can crash the ospfd process and produce a network-impacting Denial of Service (DoS) when a specially crafted OSPF packet is processed—an issue tracked as...
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    • cve 2025 61105 frrouting ospf security patch
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  2. CVE-2023-41361: FRR BGP OPEN Boundary Bug Patch and Mitigation

    FRRouting users and network operators should treat CVE‑2023‑41361 as a serious, remediable threat: a boundary-checking bug in the BGP OPEN handling of FRR 9.0 allowed an attacker to send a crafted BGP OPEN whose received software version field exceeded expected bounds, triggering a crash or...
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    • bgp vulnerability cve 2023 41361 frrouting patch mitigation
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  3. CVE-2025-61104: FRR OSPF NULL Pointer DoS and Patch Guide

    FRRouting's OSPF implementation contains a NULL-pointer dereference that can be triggered by a crafted OSPF packet, allowing remote attackers to crash the OSPF daemon (ospfd) and cause a Denial of Service (DoS) for routers and appliances using vulnerable FRR releases. Background FRRouting (FRR)...

  4. CVE-2025-61102 FRRouting OSPF DoS: NULL Pointer Fix and Mitigation

    FRRouting has been disclosed with a cluster of NULL-pointer dereference flaws that allow a remote attacker to crash the OSPF daemon (ospfd) by sending crafted OSPF packets; the most prominent of these is tracked as CVE-2025-61102 and affects FRRouting (frr) releases from v4.0 through v10.4.1...
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    • denial of service frrouting ospf vulnerability management
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  5. CVE-2025-61100: FRRouting OSPF Opaque LSA Dump NULL Pointer DoS

    FRRouting has a newly documented vulnerability — tracked as CVE-2025-61100 — that allows specially crafted OSPF Link State Advertisements (LSAs) to trigger a NULL pointer dereference in the OSPF daemon (ospfd), causing a denial-of-service (DoS) condition for affected FRR installations. The fault...
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    • cve 2025 61100 denial of service frrouting ospf
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    • Forum: Security Alerts

  6. FRR OSPF CVE-2025-61107 Patch Prevents NULL Pointer Crash

    FRRouting has been flagged for a serious Denial-of-Service hole: a NULL pointer dereference in OSPF packet handling (CVE-2025-61107) that can crash the ospfd daemon when a crafted LSA Update containing an opaque LSA is processed, and the problem was patched upstream via a targeted set of checks...
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    • cve 2025 60724 frrouting ospf vulnerability mitigation
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    • Forum: Security Alerts

  7. 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...