CVE-2025-61099 FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the opaque_info_detail function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted LS Update packet.

Api.Msrc.Microsoft • January 3, 2026

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Multiple CVEs Affect FRRouting with Denial of Service Vulnerabilities Eight vulnerabilities (CVE-2025-61099, CVE-2025-61100, CVE-2025-61101, CVE-2025-61102, CVE-2025-61103, CVE-2025-61104, CVE-2025-61106, CVE-2025-61107) were discovered in FRRouting versions 2.0 through 10.4.1. These vulnerabilities allow attackers to cause Denial of Service (DoS) via crafted OSPF or LSA Update packets due to NULL pointer dereferences in specific functions. 8 sources 36

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