{"schemaVersion":3,"id":"USN-4247-3","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"python-apt vulnerabilities\n\nUSN-4247-1 fixed several vulnerabilities in python-apt. This update\nprovides the corresponding updates for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that python-apt would still use MD5 hashes to validate\n certain downloaded packages. If a remote attacker were able to perform a\n machine-in-the-middle attack, this flaw could potentially be used to install\n altered packages. (CVE-2019-15795)\n\n It was discovered that python-apt could install packages from untrusted\n repositories, contrary to expectations. (CVE-2019-15796)","dates":{"published":"2020-01-23T15:11:16.000Z","modified":"2026-04-22T10:02:06.295Z","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":"python-apt","name":"python-apt","label":"python-apt","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/python-apt","purlType":"deb","versions":[{"text":"< 0.9.3.5ubuntu3+esm2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.9.3.5ubuntu3+esm2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4247-3","label":"ubuntu.com/security/notices/USN-4247-3","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-15795","label":"ubuntu.com/security/CVE-2019-15795","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-15796","label":"ubuntu.com/security/CVE-2019-15796","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2019-15795","CVE-2019-15796"],"downstream":[],"duplicates":[],"related":["CVE-2019-15795","CVE-2019-15796"]},"timeline":[{"kind":"published","date":"2020-01-23T15:11:16.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T10:02:06.295Z","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":"2026-10-20T03:32:49.633Z","stale":false,"partial":false}}