{"schemaVersion":3,"id":"USN-5026-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"qpdf vulnerabilities\n\nUSN-5026-1 fixed several vulnerabilities in QPDF. This update provides\nthe corresponding update for Ubuntu 16.04 ESM.\nOriginal advisory details:\n\n It was discovered that QPDF incorrectly handled certain malformed PDF\n files. A remote attacker could use this issue to cause QPDF to consume\n resources, resulting in a denial of service. (CVE-2018-18020)\n\n It was discovered that QPDF incorrectly handled certain malformed PDF\n files. A remote attacker could use this issue to cause QPDF to crash,\n resulting in a denial of service, or possibly execute arbitrary code.\n (CVE-2021-36978)","dates":{"published":"2021-08-02T14:15:25.000Z","modified":"2026-06-25T13:30:42.088Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"qpdf","name":"qpdf","label":"qpdf","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/qpdf","purlType":"deb","versions":[{"text":"< 8.0.2-3~16.04.1+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.0.2-3~16.04.1+esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5026-2","label":"ubuntu.com/security/notices/USN-5026-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-18020","label":"ubuntu.com/security/CVE-2018-18020","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-36978","label":"ubuntu.com/security/CVE-2021-36978","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-18020","CVE-2021-36978"],"downstream":[],"duplicates":[],"related":["CVE-2018-18020","CVE-2021-25786","CVE-2021-36978"]},"timeline":[{"kind":"published","date":"2021-08-02T14:15:25.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:30:42.088Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T20:56:33.433Z","stale":false,"partial":false}}