ubuntu-cve-2018-20650
Vulnerability from osv_ubuntu
Published
2019-01-01 00:00
Modified
2026-04-22 07:38
Summary
Details

A reachable Object::dictLookup assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to the lack of a check for the dict data type, as demonstrated by use of the FileSpec class (in FileSpec.cc) in pdfdetach.

Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-poppler-0.18",
            "binary_version": "0.24.5-2ubuntu4.15"
          },
          {
            "binary_name": "libpoppler-cpp0",
            "binary_version": "0.24.5-2ubuntu4.15"
          },
          {
            "binary_name": "libpoppler-glib8",
            "binary_version": "0.24.5-2ubuntu4.15"
          },
          {
            "binary_name": "libpoppler-qt4-4",
            "binary_version": "0.24.5-2ubuntu4.15"
          },
          {
            "binary_name": "libpoppler-qt5-1",
            "binary_version": "0.24.5-2ubuntu4.15"
          },
          {
            "binary_name": "libpoppler44",
            "binary_version": "0.24.5-2ubuntu4.15"
          },
          {
            "binary_name": "poppler-utils",
            "binary_version": "0.24.5-2ubuntu4.15"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "poppler",
        "purl": "pkg:deb/ubuntu/poppler@0.24.5-2ubuntu4.15?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.24.5-2ubuntu4.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.24.1-0ubuntu1",
        "0.24.3-0ubuntu1",
        "0.24.3-0ubuntu2",
        "0.24.3-0ubuntu3",
        "0.24.3-0ubuntu4",
        "0.24.3-0ubuntu5",
        "0.24.3-0ubuntu6",
        "0.24.3-0ubuntu7",
        "0.24.3-0ubuntu8",
        "0.24.3-0ubuntu10",
        "0.24.3-0ubuntu12",
        "0.24.5-0ubuntu3",
        "0.24.5-2ubuntu1",
        "0.24.5-2ubuntu2",
        "0.24.5-2ubuntu4",
        "0.24.5-2ubuntu4.1",
        "0.24.5-2ubuntu4.2",
        "0.24.5-2ubuntu4.3",
        "0.24.5-2ubuntu4.4",
        "0.24.5-2ubuntu4.5",
        "0.24.5-2ubuntu4.6",
        "0.24.5-2ubuntu4.7",
        "0.24.5-2ubuntu4.8",
        "0.24.5-2ubuntu4.9",
        "0.24.5-2ubuntu4.11",
        "0.24.5-2ubuntu4.12",
        "0.24.5-2ubuntu4.13",
        "0.24.5-2ubuntu4.14"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-poppler-0.18",
            "binary_version": "0.41.0-0ubuntu1.11"
          },
          {
            "binary_name": "libpoppler-cpp0",
            "binary_version": "0.41.0-0ubuntu1.11"
          },
          {
            "binary_name": "libpoppler-glib8",
            "binary_version": "0.41.0-0ubuntu1.11"
          },
          {
            "binary_name": "libpoppler-qt4-4",
            "binary_version": "0.41.0-0ubuntu1.11"
          },
          {
            "binary_name": "libpoppler-qt5-1",
            "binary_version": "0.41.0-0ubuntu1.11"
          },
          {
            "binary_name": "libpoppler58",
            "binary_version": "0.41.0-0ubuntu1.11"
          },
          {
            "binary_name": "poppler-utils",
            "binary_version": "0.41.0-0ubuntu1.11"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "poppler",
        "purl": "pkg:deb/ubuntu/poppler@0.41.0-0ubuntu1.11?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.41.0-0ubuntu1.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.33.0-0ubuntu3",
        "0.37.0-0ubuntu1",
        "0.38.0-0ubuntu1",
        "0.41.0-0ubuntu1",
        "0.41.0-0ubuntu1.1",
        "0.41.0-0ubuntu1.2",
        "0.41.0-0ubuntu1.3",
        "0.41.0-0ubuntu1.4",
        "0.41.0-0ubuntu1.5",
        "0.41.0-0ubuntu1.6",
        "0.41.0-0ubuntu1.7",
        "0.41.0-0ubuntu1.8",
        "0.41.0-0ubuntu1.9",
        "0.41.0-0ubuntu1.10"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-poppler-0.18",
            "binary_version": "0.62.0-2ubuntu2.6"
          },
          {
            "binary_name": "libpoppler-cpp0v5",
            "binary_version": "0.62.0-2ubuntu2.6"
          },
          {
            "binary_name": "libpoppler-glib8",
            "binary_version": "0.62.0-2ubuntu2.6"
          },
          {
            "binary_name": "libpoppler-qt5-1",
            "binary_version": "0.62.0-2ubuntu2.6"
          },
          {
            "binary_name": "libpoppler73",
            "binary_version": "0.62.0-2ubuntu2.6"
          },
          {
            "binary_name": "poppler-utils",
            "binary_version": "0.62.0-2ubuntu2.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "poppler",
        "purl": "pkg:deb/ubuntu/poppler@0.62.0-2ubuntu2.6?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.62.0-2ubuntu2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.57.0-2ubuntu4",
        "0.57.0-2ubuntu5",
        "0.62.0-1ubuntu1",
        "0.62.0-2ubuntu1",
        "0.62.0-2ubuntu2",
        "0.62.0-2ubuntu2.1",
        "0.62.0-2ubuntu2.2",
        "0.62.0-2ubuntu2.4",
        "0.62.0-2ubuntu2.5"
      ]
    }
  ],
  "aliases": [],
  "details": "A reachable Object::dictLookup assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to the lack of a check for the dict data type, as demonstrated by use of the FileSpec class (in FileSpec.cc) in pdfdetach.",
  "id": "UBUNTU-CVE-2018-20650",
  "modified": "2026-04-22T07:38:47Z",
  "published": "2019-01-01T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-20650"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.freedesktop.org/poppler/poppler/issues/704"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3865-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-20650"
    }
  ],
  "related": [
    "USN-3865-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-20650"
  ]
}



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Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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