{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "4.0"
              },
              {
                "last_affected": "10.4.1"
              }
            ]
          },
          "events": [
            {
              "introduced": "78afca8e78c3d466dc2b3fa8d53cbcd8ee0f6489"
            },
            {
              "last_affected": "88f5c06cbc1cc4d62e1cba3e7791f5cea4179ba5"
            }
          ],
          "repo": "https://github.com/frrouting/frr",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.",
  "id": "CVE-2025-61102",
  "modified": "2026-04-01T23:08:03.809915446Z",
  "published": "2025-10-27T20:15:54.150Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/s1awwhy/BugList/blob/main/CVE-2025-61102.md"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FRRouting/frr/issues/19471"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FRRouting/frr/pull/19480"
    },
    {
      "type": "FIX",
      "url": "https://github.com/FRRouting/frr/pull/19480/commits/fdd957408605d4a1766225630aafc7e6b7c3daf3"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}