{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "1.3"
              },
              {
                "last_affected": "2020-08-19"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.2.7"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "11.4"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7d51d952d825a85bb44e88a43af9447143b8138e"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "a344d02bf3aef5d00d8b41eb9c8a0cb1ca4a1a9c"
            }
          ],
          "repo": "https://github.com/midnightbsd/src",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "A memory corruption vulnerability was found in the kernel function kern_getfsstat in MidnightBSD before 1.2.7 and 1.3 through 2020-08-19, and FreeBSD through 11.4, that allows an attacker to trigger an invalid free and crash the system via a crafted size value in conjunction with an invalid mode.",
  "id": "CVE-2020-24863",
  "modified": "2026-03-13T21:50:53.952219364Z",
  "published": "2020-09-03T15:15:11.520Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.midnightbsd.org/notes/"
    },
    {
      "type": "FIX",
      "url": "https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc"
    },
    {
      "type": "EVIDENCE",
      "url": "http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}