NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference

{
  "id": "9043c93cf8973b748b1d4cb9c838035129c54729ebd5e3e21e80a28cce05bdb6",
  "url": "https://osv.dev/vulnerability/CVE-2026-18064",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference",
    "summary": "An incomplete fix for CVE-2026-15352 in the NASA core Flight System (cFS) Health and Safety (HS) application leaves a separate NULL pointer dereference reachable in versions through 7.0.1. An attacker who can trigger the affected command under specific conditions could cause the HS application to crash, resulting in a denial-of-service condition and processor reset.",
    "evidence": "osv:CVE-2026-18064",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-18064",
      "aliases": [
        "CVE-2026-18064"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nasa/hs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "947b903174bca0878210e7fbc53104cff8e7b335"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "v7.0.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "7.0.1"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v7.0.1",
            "v7.0.0",
            "equuleus-rc1",
            "draco-rc5",
            "draco-rc4",
            "draco-rc3",
            "draco-rc2",
            "v2.4.1",
            "2.4.1-rc2",
            "v2.4.0",
            "2.3.2",
            "2.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18064.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.224176485Z",
      "provider": "osv",
      "references": [
        "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-06.json",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18064.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-18064",
        "https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-06",
        "https://github.com/nasa/HS"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-476"
        ],
        "cna_assigner": "icscert",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18064.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-18064",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488403,
  "published_at": "2026-07-30T21:35:14.061+00:00"
}