u-boot — security advisory

{
  "id": "6ba60b71cbbb07a365165b9513bb4dc834ec61baf37a6c6b6f11d4fbe969ec2e",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2018-18439",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2018-18439",
    "summary": "DENX U-Boot through 2018.09-rc1 has a remotely exploitable buffer overflow via a malicious TFTP server because TFTP traffic is mishandled. Also, local exploitation can occur via a crafted kernel image.",
    "evidence": "osv:UBUNTU-CVE-2018-18439",
    "products": [
      {
        "name": {
          "value": "u-boot",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2015.04+dfsg1-2ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2015.10+dfsg1-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2015.10+dfsg1-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2015.10+dfsg1-4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2016.01+dfsg1-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2016.01+dfsg1-1ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2016.01+dfsg1-2ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2016.01+dfsg1-2ubuntu2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2016.01+dfsg1-2ubuntu3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2016.01+dfsg1-2ubuntu5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2016.01+dfsg1-2ubuntu5+esm1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2016.01+dfsg1-2ubuntu5+esm2",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "UBUNTU-CVE-2018-18439",
      "aliases": [
        "UBUNTU-CVE-2018-18439"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "negligible"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "u-boot",
            "purl": "pkg:deb/ubuntu/u-boot?arch=source&distro=esm-infra-legacy%2Fxenial",
            "ecosystem": "Ubuntu:Pro:16.04:LTS"
          },
          "versions": [
            "2015.04+dfsg1-2ubuntu1",
            "2015.10+dfsg1-2",
            "2015.10+dfsg1-3",
            "2015.10+dfsg1-4",
            "2016.01+dfsg1-1",
            "2016.01+dfsg1-1ubuntu1",
            "2016.01+dfsg1-2ubuntu1",
            "2016.01+dfsg1-2ubuntu2",
            "2016.01+dfsg1-2ubuntu3",
            "2016.01+dfsg1-2ubuntu5",
            "2016.01+dfsg1-2ubuntu5+esm1",
            "2016.01+dfsg1-2ubuntu5+esm2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18439.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "u-boot",
                "binary_version": "2016.01+dfsg1-2ubuntu5+esm2"
              },
              {
                "binary_name": "u-boot-exynos",
                "binary_version": "2016.01+dfsg1-2ubuntu5+esm2"
              },
              {
                "binary_name": "u-boot-imx",
                "binary_version": "2016.01+dfsg1-2ubuntu5+esm2"
              },
              {
                "binary_name": "u-boot-omap",
                "binary_version": "2016.01+dfsg1-2ubuntu5+esm2"
              },
              {
                "binary_name": "u-boot-rockchip",
                "binary_version": "2016.01+dfsg1-2ubuntu5+esm2"
              },
              {
                "binary_name": "u-boot-rpi",
                "binary_version": "2016.01+dfsg1-2ubuntu5+esm2"
              },
              {
                "binary_name": "u-boot-sunxi",
                "binary_version": "2016.01+dfsg1-2ubuntu5+esm2"
              },
              {
                "binary_name": "u-boot-tegra",
                "binary_version": "2016.01+dfsg1-2ubuntu5+esm2"
              },
              {
                "binary_name": "u-boot-tools",
                "binary_version": "2016.01+dfsg1-2ubuntu5+esm2"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-17T12:55:20.966261896Z",
      "provider": "osv",
      "upstream": [
        "CVE-2018-18439"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2018-18439",
        "https://www.openwall.com/lists/oss-security/2018/11/02/2",
        "https://www.cve.org/CVERecord?id=CVE-2018-18439"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2018-18439",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 353669,
  "published_at": "2018-11-20T19:29:00+00:00"
}