ubuntu-cve-2019-11766
Vulnerability from osv_ubuntu
Published
2019-05-05 06:29
Modified
2025-10-24 04:47
Summary
Details

dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "dhcpcd5",
            "binary_version": "6.0.5-2+deb8u1build0.14.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "dhcpcd5",
        "purl": "pkg:deb/ubuntu/dhcpcd5@6.0.5-2+deb8u1build0.14.04.1~esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.5.6-1",
        "6.0.5-1ubuntu1",
        "6.0.5-1.1",
        "6.0.5-2build0.14.04.1",
        "6.0.5-2+deb8u1build0.14.04.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "dhcpcd5",
            "binary_version": "6.10.1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "dhcpcd5",
        "purl": "pkg:deb/ubuntu/dhcpcd5@6.10.1-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.9.1-1",
        "6.9.3-1",
        "6.10.1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "dhcpcd5",
            "binary_version": "6.11.5-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "dhcpcd5",
        "purl": "pkg:deb/ubuntu/dhcpcd5@6.11.5-0ubuntu1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.11.5-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature.",
  "id": "UBUNTU-CVE-2019-11766",
  "modified": "2025-10-24T04:47:39Z",
  "published": "2019-05-05T06:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-11766"
    },
    {
      "type": "REPORT",
      "url": "https://roy.marples.name/cgit/dhcpcd.git/commit/?\u0026id=c1ebeaafeb324bac997984abdcee2d4e8b61a8a8"
    },
    {
      "type": "REPORT",
      "url": "https://roy.marples.name/cgit/dhcpcd.git/commit/?\u0026id=896ef4a54b0578985e5e1360b141593f1d62837b"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.debian.org/928440"
    },
    {
      "type": "REPORT",
      "url": "https://roy.marples.name/archives/dhcpcd-discuss/0002428.html"
    },
    {
      "type": "REPORT",
      "url": "https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7\u0026id=896ef4a54b0578985e5e1360b141593f1d62837b"
    },
    {
      "type": "REPORT",
      "url": "https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7\u0026id=c1ebeaafeb324bac997984abdcee2d4e8b61a8a8"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-11766"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-11766"
  ]
}



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