{"id":"USN-5026-1","summary":"qpdf vulnerabilities","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","modified":"2026-02-10T04:42:17Z","published":"2021-07-29T16:28:39Z","related":["UBUNTU-CVE-2018-18020","UBUNTU-CVE-2021-25786","UBUNTU-CVE-2021-36978"],"upstream":["CVE-2018-18020","CVE-2021-36978","UBUNTU-CVE-2018-18020","UBUNTU-CVE-2021-36978"],"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"}],"affected":[{"package":{"name":"qpdf","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/qpdf@8.0.2-3ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.2-3ubuntu0.1"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"8.0.2-3ubuntu0.1","binary_name":"libqpdf-dev"},{"binary_version":"8.0.2-3ubuntu0.1","binary_name":"libqpdf21"},{"binary_version":"8.0.2-3ubuntu0.1","binary_name":"qpdf"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"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-2018-18020"},{"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"}],"id":"CVE-2021-36978"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5026-1.json"}},{"package":{"name":"qpdf","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/qpdf@9.1.1-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.1.1-1ubuntu0.1"}]}],"versions":["8.4.2-1","9.0.2-1","9.1.0-1","9.1.1-1","9.1.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"9.1.1-1ubuntu0.1","binary_name":"libqpdf-dev"},{"binary_version":"9.1.1-1ubuntu0.1","binary_name":"libqpdf26"},{"binary_version":"9.1.1-1ubuntu0.1","binary_name":"qpdf"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"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"}],"id":"CVE-2021-36978"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5026-1.json"}}],"schema_version":"1.7.3"}