{"schemaVersion":3,"id":"MGASA-2020-0433","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated thunderbird packages fix security vulnerabilities\n\nVariable time processing of cross-origin images during drawImage calls.\n(CVE-2020-16012)\n\nParsing mismatches could confuse and bypass security sanitizer for chrome\nprivileged code. (CVE-2020-26951)\n\nFullscreen could be enabled without displaying the security UI. (CVE-2020-26953)\n\nXSS through paste (manual and clipboard API). (CVE-2020-26956)\n\nRequests intercepted through ServiceWorkers lacked MIME type restrictions.\n(CVE-2020-26958)\n\nUse-after-free in WebRequestService. (CVE-2020-26959)\n\nPotential use-after-free in uses of nsTArray. (CVE-2020-26960)\n\nDoH did not filter IPv4 mapped IP Addresses. (CVE-2020-26961)\n\nSoftware keyboards may have remembered typed passwords. (CVE-2020-26965)\n\nMemory safety bugs fixed in Thunderbird 78.5. (CVE-2020-26968)","dates":{"published":"2020-11-21T12:21:00.000Z","modified":"2026-04-16T04:43:57.224Z","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":"mageia","product":"thunderbird","name":"thunderbird","label":"thunderbird","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/thunderbird","purlType":"rpm","versions":[{"text":"< 78.5.0-1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 78.5.0-1.mga7","eol":null,"hubHref":null},{"vendor":"mageia","product":"thunderbird-l10n","name":"thunderbird-l10n","label":"thunderbird-l10n","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/thunderbird-l10n","purlType":"rpm","versions":[{"text":"< 78.5.0-1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 78.5.0-1.mga7","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2020-0433.html","label":"advisories.mageia.org/MGASA-2020-0433.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=27634","label":"bugs.mageia.org/show_bug.cgi?id=27634","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.thunderbird.net/en-US/thunderbird/78.5.0/releasenotes/","label":"www.thunderbird.net/en-US/thunderbird/78.5.0/releasenotes/","hostname":"www.thunderbird.net","tags":["WEB"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2020-52/","label":"www.mozilla.org/en-US/security/advisories/mfsa2020-52/","hostname":"www.mozilla.org","tags":["Advisory"]}],"lineage":{"upstream":["CVE-2020-16012","CVE-2020-26951","CVE-2020-26953","CVE-2020-26956","CVE-2020-26958","CVE-2020-26959","CVE-2020-26960","CVE-2020-26961","CVE-2020-26965","CVE-2020-26968"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-11-21T12:21:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T04:43:57.224Z","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":"2026-10-20T12:23:33.824Z","stale":false,"partial":false}}