{"schemaVersion":3,"id":"SUSE-SU-2020:3528-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for MozillaThunderbird\n\nThis update for MozillaThunderbird fixes the following issues:\n\n    TODO\n- Mozilla Thunderbird 78.5.0\n  * new: OpenPGP: Added option to disable attaching the public\n    key to a signed message (bmo#1654950)\n  * new: MailExtensions: 'compose_attachments' context added to\n    Menus API (bmo#1670822)\n  * new: MailExtensions: Menus API now available on displayed\n    messages (bmo#1670825)\n  * changed: MailExtensions: browser.tabs.create will now wait\n    for 'mail-delayed-startup-finished' event (bmo#1674407)\n  * fixed: OpenPGP: Support for inline PGP messages improved\n    (bmo#1672851)\n  * fixed: OpenPGP: Message security dialog showed unverified\n    keys as unavailable (bmo#1675285)\n  * fixed: Chat: New chat contact menu item did not function\n    (bmo#1663321)\n  * fixed: Various theme and usability improvements (bmo#1673861)\n  * fixed: Various security fixes\n  MFSA 2020-52 (bsc#1178894)\n  * CVE-2020-26951 (bmo#1667113)\n    Parsing mismatches could confuse and bypass security\n    sanitizer for chrome privileged code\n  * CVE-2020-16012 (bmo#1642028)\n    Variable time processing of cross-origin images during\n    drawImage calls\n  * CVE-2020-26953 (bmo#1656741)\n    Fullscreen could be enabled without displaying the security UI\n  * CVE-2020-26956 (bmo#1666300)\n    XSS through paste (manual and clipboard API)\n  * CVE-2020-26958 (bmo#1669355)\n    Requests intercepted through ServiceWorkers lacked MIME type\n    restrictions\n  * CVE-2020-26959 (bmo#1669466)\n    Use-after-free in WebRequestService\n  * CVE-2020-26960 (bmo#1670358)\n    Potential use-after-free in uses of nsTArray\n  * CVE-2020-15999 (bmo#1672223)\n    Heap buffer overflow in freetype\n  * CVE-2020-26961 (bmo#1672528)\n    DoH did not filter IPv4 mapped IP Addresses\n  * CVE-2020-26965 (bmo#1661617)\n    Software keyboards may have remembered typed passwords\n  * CVE-2020-26966 (bmo#1663571)\n    Single-word search queries were also broadcast to local\n    network\n  * CVE-2020-26968 (bmo#1551615, bmo#1607762, bmo#1656697,\n    bmo#1657739, bmo#1660236, bmo#1667912, bmo#1671479,\n    bmo#1671923)\n    Memory safety bugs fixed in Thunderbird 78.5\n\n- Mozilla Thunderbird 78.4.3\n  * fixed: User interface was inconsistent when switching from\n    the default theme to the dark theme and back to the default\n    theme (bmo#1659282)\n  * fixed: Email subject would disappear when hovering over it\n    with the mouse when using Windows 7 Classic theme\n    (bmo#1675970)","dates":{"published":"2020-11-26T10:52:39.000Z","modified":"2026-02-04T03:58:16.762Z","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":"suse","product":"MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP1","name":"MozillaThunderbird","label":"MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP1","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP1","purlType":"rpm","versions":[{"text":"< 78.5.0-3.107.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 78.5.0-3.107.1","eol":null,"hubHref":null},{"vendor":"suse","product":"MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP2","name":"MozillaThunderbird","label":"MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP2","purlType":"rpm","versions":[{"text":"< 78.5.0-3.107.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 78.5.0-3.107.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203528-1/","label":"www.suse.com/support/update/announcement/2020/suse-su-20203528-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1178894","label":"bugzilla.suse.com/1178894","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15999","label":"www.suse.com/security/cve/CVE-2020-15999","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-16012","label":"www.suse.com/security/cve/CVE-2020-16012","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26951","label":"www.suse.com/security/cve/CVE-2020-26951","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26953","label":"www.suse.com/security/cve/CVE-2020-26953","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26956","label":"www.suse.com/security/cve/CVE-2020-26956","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26958","label":"www.suse.com/security/cve/CVE-2020-26958","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26959","label":"www.suse.com/security/cve/CVE-2020-26959","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26960","label":"www.suse.com/security/cve/CVE-2020-26960","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26961","label":"www.suse.com/security/cve/CVE-2020-26961","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26965","label":"www.suse.com/security/cve/CVE-2020-26965","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26966","label":"www.suse.com/security/cve/CVE-2020-26966","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2020-26968","label":"www.suse.com/security/cve/CVE-2020-26968","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2020-15999","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-2020-26966","CVE-2020-26968"],"downstream":[],"duplicates":[],"related":["CVE-2020-15999","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-2020-26966","CVE-2020-26968"]},"timeline":[{"kind":"published","date":"2020-11-26T10:52:39.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-04T03:58:16.762Z","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":"2026-10-21T15:49:44.032Z","stale":false,"partial":false}}