{"schemaVersion":3,"id":"OPENSUSE-SU-2026:20002-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for MozillaThunderbird\n\nThis update for MozillaThunderbird fixes the following issues:\n\nChanges in MozillaThunderbird:\n\nMozilla Thunderbird 140.5.0 ESR\n\nMFSA 2025-91 (bsc#1253188):\n\n  * CVE-2025-13012\n    Race condition in the Graphics component\n  * CVE-2025-13016\n    Incorrect boundary conditions in the JavaScript: WebAssembly\n    component\n  * CVE-2025-13017\n    Same-origin policy bypass in the DOM: Notifications component\n  * CVE-2025-13018\n    Mitigation bypass in the DOM: Security component\n  * CVE-2025-13019\n    Same-origin policy bypass in the DOM: Workers component\n  * CVE-2025-13013\n    Mitigation bypass in the DOM: Core & HTML component\n  * CVE-2025-13020\n    Use-after-free in the WebRTC: Audio/Video component\n  * CVE-2025-13014\n    Use-after-free in the Audio/Video component\n  * CVE-2025-13015\n    Spoofing issue in Thunderbird\n  * fixed: Could not drag and drop ICS file to Today Pane\n  * fixed: With Thunderbird closed, clicking a 'mailto:' link to\n    send signed message failed\n  * fixed: Upgrade from 128.x->140.x broke authentication for\n    @att.net using Yahoo backend\n\nMozilla Thunderbird 140.4.0 ESR\n\n  * Account Hub is now disabled by default for second email account\n  * Users could not read mail signed with OpenPGP v6 and PQC keys\n  * Image preview in Insert Image dialog failed with CSP error for web resources\n  * Emptying trash on exit did not work with some providers\n  * Thunderbird could crash when applying filters\n  * Users were unable to override expired mail server certificate\n  * Opening Website header link in RSS feed incorrectly re-encoded\n    URL parameters\n\nMozilla Thunderbird 140.3.1 ESR:\n\n  * several bugfixes listed here\n    https://www.thunderbird.net/en-US/thunderbird/140.3.1esr/releasenotes\n-------------------------------------------------------------------","dates":{"published":"2026-01-02T12:14:18.000Z","modified":"2026-03-23T04:54:40.717Z","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":"opensuse","product":"MozillaThunderbird&distro=openSUSE Leap 16.0","name":"MozillaThunderbird","label":"MozillaThunderbird&distro=openSUSE Leap 16.0","ecosystem":"openSUSE","cpePart":null,"purl":"pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE Leap 16.0","purlType":"rpm","versions":[{"text":"< 140.5.0-bp160.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.5.0-bp160.1.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.suse.com/1253188","label":"bugzilla.suse.com/1253188","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13012","label":"www.suse.com/security/cve/CVE-2025-13012","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13013","label":"www.suse.com/security/cve/CVE-2025-13013","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13014","label":"www.suse.com/security/cve/CVE-2025-13014","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13015","label":"www.suse.com/security/cve/CVE-2025-13015","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13016","label":"www.suse.com/security/cve/CVE-2025-13016","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13017","label":"www.suse.com/security/cve/CVE-2025-13017","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13018","label":"www.suse.com/security/cve/CVE-2025-13018","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13019","label":"www.suse.com/security/cve/CVE-2025-13019","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13020","label":"www.suse.com/security/cve/CVE-2025-13020","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2025-13012","CVE-2025-13013","CVE-2025-13014","CVE-2025-13015","CVE-2025-13016","CVE-2025-13017","CVE-2025-13018","CVE-2025-13019","CVE-2025-13020"],"downstream":[],"duplicates":[],"related":["CVE-2025-13012","CVE-2025-13013","CVE-2025-13014","CVE-2025-13015","CVE-2025-13016","CVE-2025-13017","CVE-2025-13018","CVE-2025-13019","CVE-2025-13020"]},"timeline":[{"kind":"published","date":"2026-01-02T12:14:18.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-03-23T04:54:40.717Z","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":"2026-10-21T16:48:41.076Z","stale":false,"partial":false}}