usn-5026-1
Vulnerability from osv_ubuntu
Published
2021-07-29 16:28
Modified
2026-04-22 07:37
Summary
qpdf vulnerabilities
Details

It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to consume resources, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-18020)

It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-36978)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-18020",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-36978",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libqpdf21",
            "binary_version": "8.0.2-3ubuntu0.1"
          },
          {
            "binary_name": "qpdf",
            "binary_version": "8.0.2-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "qpdf",
        "purl": "pkg:deb/ubuntu/qpdf@8.0.2-3ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.2-3ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.0.0-1",
        "7.1.0-1",
        "7.1.1-1",
        "8.0.0-1",
        "8.0.1-1",
        "8.0.2-1",
        "8.0.2-3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-36978",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libqpdf26",
            "binary_version": "9.1.1-1ubuntu0.1"
          },
          {
            "binary_name": "qpdf",
            "binary_version": "9.1.1-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "qpdf",
        "purl": "pkg:deb/ubuntu/qpdf@9.1.1-1ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.1.1-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.4.2-1",
        "9.0.2-1",
        "9.1.0-1",
        "9.1.1-1",
        "9.1.1-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that QPDF incorrectly handled certain malformed PDF\nfiles. A remote attacker could use this issue to cause QPDF to consume\nresources, resulting in a denial of service. This issue only affected\nUbuntu 18.04 LTS. (CVE-2018-18020)\n\nIt was discovered that QPDF incorrectly handled certain malformed PDF\nfiles. A remote attacker could use this issue to cause QPDF to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2021-36978)\n",
  "id": "USN-5026-1",
  "modified": "2026-04-22T07:37:00Z",
  "published": "2021-07-29T16:28:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5026-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-18020"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-36978"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "qpdf vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-18020",
    "UBUNTU-CVE-2021-36978"
  ]
}



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