Security advisory

{
  "id": "5afa1aac7e24f2169eeebb989c8c30851963ff5156c0067c124b39750d7a5d29",
  "url": "https://osv.dev/vulnerability/CVE-2020-17529",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-17529",
    "summary": "Out-of-bounds Write vulnerability in TCP Stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying and invalid fragmentation offset value specified in the IP header. This is only impacts builds with both CONFIG_EXPERIMENTAL and CONFIG_NET_TCP_REASSEMBLY build flags enabled.",
    "evidence": "osv:CVE-2020-17529",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-17529",
      "aliases": [
        "CVE-2020-17529"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/nuttx",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "e4e4cce6962430e2b07336d2c564b14298995661"
                },
                {
                  "introduced": "9f6f05d901c72c6b65969847e02a5c2c0adfd40a"
                },
                {
                  "last_affected": "9f6f05d901c72c6b65969847e02a5c2c0adfd40a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:nuttx:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "9.1.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:nuttx:10.0.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10.0.0"
                      },
                      {
                        "last_affected": "10.0.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "10.0.0",
            "nuttx-9.1.0-RC2",
            "nuttx-9.1.0",
            "nuttx-10.0.0-RC0",
            "nuttx-10.0.0",
            "nuttx-9.1.0-RC1",
            "nuttx-9.1.0-RC0",
            "nuttx-8.2",
            "nuttx-8.1",
            "nuttx-7.31",
            "nuttx-7.30",
            "nuttx-7.29",
            "nuttx-7.28",
            "nuttx-7.27",
            "nuttx-7.26",
            "nuttx-7.25",
            "nuttx-7.24",
            "nuttx-7.23",
            "nuttx-7.22",
            "nuttx-7.21",
            "nuttx-7.20",
            "nuttx-7.18",
            "nuttx-7.17",
            "nuttx-7.16",
            "nuttx-7.15",
            "nuttx-7.14",
            "nuttx-7.13",
            "nuttx-7.12",
            "nuttx-7.11",
            "nuttx-7.10",
            "nuttx-7.9",
            "nuttx-7.8",
            "nuttx-7.6",
            "nuttx-7.5",
            "nuttx-7.4",
            "nuttx-7.3",
            "nuttx-7.2",
            "nuttx-7.1",
            "nuttx-6.33",
            "nuttx-6.32",
            "nuttx-6.31",
            "nuttx-6.30",
            "nuttx-6.29",
            "nuttx-6.28",
            "nuttx-6.27",
            "nuttx-6.26",
            "nuttx-6.25",
            "nuttx-6.24",
            "nuttx-6.23",
            "nuttx-6.22",
            "nuttx-6.21",
            "nuttx-6.20",
            "nuttx-6.19",
            "nuttx-6.18",
            "nuttx-6.17",
            "nuttx-6.16",
            "nuttx-6.15",
            "nuttx-6.14",
            "nuttx-6.13",
            "nuttx-6.12",
            "nuttx-6.11",
            "nuttx-6.10",
            "nuttx-6.9",
            "nuttx-6.8",
            "nuttx-6.7",
            "nuttx-6.6",
            "nuttx-6.5",
            "nuttx-6.4",
            "nuttx-6.3",
            "nuttx-6.2",
            "nuttx-6.1",
            "nuttx-6.0",
            "nuttx-5.19",
            "nuttx-5.18",
            "nuttx-5.17",
            "nuttx-5.16",
            "nuttx-5.15",
            "nuttx-5.14",
            "nuttx-5.13",
            "nuttx-5.12",
            "nuttx-5.11",
            "nuttx-5.10",
            "nuttx-5.9",
            "nuttx-5.8",
            "nuttx-5.7",
            "nuttx-5.6",
            "nuttx-5.5",
            "nuttx-5.4",
            "nuttx-5.3",
            "nuttx-5.2",
            "nuttx-5.1",
            "nuttx-5.0",
            "nuttx-4.14",
            "nuttx-4.13",
            "nuttx-4.12",
            "nuttx-4.11",
            "nuttx-4.10",
            "nuttx-4.9",
            "nuttx-4.8",
            "nuttx-4.7",
            "nuttx-4.6",
            "nuttx-4.5",
            "nuttx-4.4",
            "nuttx-4.3",
            "nuttx-4.2",
            "nuttx-4.1",
            "nuttx-4.0",
            "nuttx-3.19",
            "nuttx-3.18",
            "nuttx-3.17",
            "nuttx-3.16",
            "nuttx-3.15",
            "nuttx-3.14",
            "nuttx-3.13",
            "nuttx-3.12",
            "nuttx-3.11",
            "nuttx-3.10",
            "nuttx-3.9",
            "nuttx-3.8",
            "nuttx-3.7",
            "nuttx-3.6.1",
            "nuttx-3.6",
            "nuttx-3.5",
            "nuttx-3.4",
            "nuttx-3.3",
            "nuttx-3.2",
            "nuttx-3.1",
            "nuttx-3.0",
            "nuttx-2.8",
            "nuttx-2.7",
            "nuttx-2.6",
            "nuttx-2.5",
            "nuttx-2.4",
            "nuttx-2.3",
            "nuttx-2.2",
            "nuttx-2.1",
            "nuttx-1.2",
            "nuttx-1.1",
            "nuttx-1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-17529.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:50.406818780Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-17529",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437231,
  "published_at": "2020-12-09T17:15:29.977+00:00"
}