{"schemaVersion":3,"id":"USN-4328-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"thunderbird vulnerabilities\n\nIt was discovered that Message ID calculation was based on uninitialized\ndata. An attacker could potentially exploit this to obtain sensitive\ninformation. (CVE-2020-6792)\n\nMutiple security issues were discovered in Thunderbird. If a user were\ntricked in to opening a specially crafted message, an attacker could\npotentially exploit these to cause a denial of service, obtain sensitive\ninformation, or execute arbitrary code. (CVE-2020-6793, CVE-2020-6795,\nCVE-2020-6822)\n\nIt was discovered that if a user saved passwords before Thunderbird 60\nand then later set a master password, an unencrypted copy of these\npasswords would still be accessible. A local user could exploit this to\nobtain sensitive information. (CVE-2020-6794)\n\nMultiple security issues were discovered in Thunderbird. If a user were\ntricked in to opening a specially crafted website in a browsing context,\nan attacker could potentially exploit these to cause a denial of service,\nconduct cross-site scripting (XSS) attacks, obtain sensitive information,\nor execute arbitrary code. (CVE-2019-20503, CVE-2020-6798, CVE-2020-6800,\nCVE-2020-6805, CVE-2020-6806, CVE-2020-6807, CVE-2020-6812, CVE-2020-6814,\nCVE-2020-6819, CVE-2020-6820, CVE-2020-6821, CVE-2020-6825)\n\nIt was discovered that the Devtools’ ‘Copy as cURL’ feature did not\nfully escape website-controlled data. If a user were tricked in to using\nthe ‘Copy as cURL’ feature to copy and paste a command with specially\ncrafted data in to a terminal, an attacker could potentially exploit this\nto execute arbitrary commands via command injection. (CVE-2020-6811)","dates":{"published":"2020-04-13T19:46:18.000Z","modified":"2026-04-27T15:48:46.659Z","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":"thunderbird","name":"thunderbird","label":"thunderbird","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/thunderbird","purlType":"deb","versions":[{"text":"< 1:68.7.0+build1-0ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:68.7.0+build1-0ubuntu0.18.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4328-1","label":"ubuntu.com/security/notices/USN-4328-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-20503","label":"ubuntu.com/security/CVE-2019-20503","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6792","label":"ubuntu.com/security/CVE-2020-6792","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6793","label":"ubuntu.com/security/CVE-2020-6793","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6794","label":"ubuntu.com/security/CVE-2020-6794","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6795","label":"ubuntu.com/security/CVE-2020-6795","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6798","label":"ubuntu.com/security/CVE-2020-6798","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6800","label":"ubuntu.com/security/CVE-2020-6800","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6805","label":"ubuntu.com/security/CVE-2020-6805","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6806","label":"ubuntu.com/security/CVE-2020-6806","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6807","label":"ubuntu.com/security/CVE-2020-6807","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6811","label":"ubuntu.com/security/CVE-2020-6811","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6812","label":"ubuntu.com/security/CVE-2020-6812","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6814","label":"ubuntu.com/security/CVE-2020-6814","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6819","label":"ubuntu.com/security/CVE-2020-6819","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6820","label":"ubuntu.com/security/CVE-2020-6820","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6821","label":"ubuntu.com/security/CVE-2020-6821","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6822","label":"ubuntu.com/security/CVE-2020-6822","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-6825","label":"ubuntu.com/security/CVE-2020-6825","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2019-20503","CVE-2020-6792","CVE-2020-6793","CVE-2020-6794","CVE-2020-6795","CVE-2020-6798","CVE-2020-6800","CVE-2020-6805","CVE-2020-6806","CVE-2020-6807","CVE-2020-6811","CVE-2020-6812","CVE-2020-6814","CVE-2020-6819","CVE-2020-6820","CVE-2020-6821","CVE-2020-6822","CVE-2020-6825"],"downstream":[],"duplicates":[],"related":["CVE-2019-20503","CVE-2020-6792","CVE-2020-6793","CVE-2020-6794","CVE-2020-6795","CVE-2020-6798","CVE-2020-6800","CVE-2020-6805","CVE-2020-6806","CVE-2020-6807","CVE-2020-6811","CVE-2020-6812","CVE-2020-6814","CVE-2020-6819","CVE-2020-6820","CVE-2020-6821","CVE-2020-6822","CVE-2020-6825"]},"timeline":[{"kind":"published","date":"2020-04-13T19:46:18.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T15:48:46.659Z","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":"2026-10-20T14:47:45.623Z","stale":false,"partial":false}}