{"schemaVersion":3,"id":"MGASA-2026-0053","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated thunderbird packages fix security vulnerabilities\n\nIncorrect boundary conditions in the WebRTC: Audio/Video component.\n(CVE-2026-2757)\nUse-after-free in the JavaScript: GC component. (CVE-2026-2758)\nIncorrect boundary conditions in the Graphics: ImageLib component.\n(CVE-2026-2759)\nSandbox escape due to incorrect boundary conditions in the Graphics:\nWebRender component. (CVE-2026-2760)\nSandbox escape in the Graphics: WebRender component. (CVE-2026-2761)\nInteger overflow in the JavaScript: Standard Library component.\n(CVE-2026-2762)\nUse-after-free in the JavaScript Engine component. (CVE-2026-2763)\nJIT miscompilation, use-after-free in the JavaScript Engine: JIT\ncomponent. (CVE-2026-2764)\nUse-after-free in the JavaScript Engine component. (CVE-2026-2765)\nUse-after-free in the JavaScript Engine: JIT component. (CVE-2026-2766)\nUse-after-free in the JavaScript: WebAssembly component. (CVE-2026-2767)\nSandbox escape in the Storage: IndexedDB component. (CVE-2026-2768)\nUse-after-free in the Storage: IndexedDB component. (CVE-2026-2769)\nUse-after-free in the DOM: Bindings (WebIDL) component. (CVE-2026-2770)\nUndefined behavior in the DOM: Core & HTML component. (CVE-2026-2771)\nUse-after-free in the Audio/Video: Playback component. (CVE-2026-2772)\nIncorrect boundary conditions in the Web Audio component.\n(CVE-2026-2773)\nInteger overflow in the Audio/Video component. (CVE-2026-2774)\nMitigation bypass in the DOM: HTML Parser component. (CVE-2026-2775)\nSandbox escape due to incorrect boundary conditions in the Telemetry\ncomponent in External Software. (CVE-2026-2776)\nPrivilege escalation in the Messaging System component. (CVE-2026-2777)\nSandbox escape due to incorrect boundary conditions in the DOM: Core &\nHTML component. (CVE-2026-2778)\nIncorrect boundary conditions in the Networking: JAR component.\n(CVE-2026-2779)\nPrivilege escalation in the Netmonitor component. (CVE-2026-2780)\nPrivilege escalation in the Netmonitor component. (CVE-2026-2782)\nInformation disclosure due to JIT miscompilation in the JavaScript\nEngine: JIT component. (CVE-2026-2783)\nMitigation bypass in the DOM: Security component. (CVE-2026-2784)\nInvalid pointer in the JavaScript Engine component. (CVE-2026-2785)\nUse-after-free in the JavaScript Engine component. (CVE-2026-2786)\nUse-after-free in the DOM: Window and Location component.\n(CVE-2026-2787)\nIncorrect boundary conditions in the Audio/Video: GMP component.\n(CVE-2026-2788)\nUse-after-free in the Graphics: ImageLib component. (CVE-2026-2789)\nSame-origin policy bypass in the Networking: JAR component.\n(CVE-2026-2790)\nMitigation bypass in the Networking: Cache component. (CVE-2026-2791)\nMemory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8,\nFirefox 148 and Thunderbird 148. (CVE-2026-2792)\nMemory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8,\nThunderbird ESR 140.8, Firefox 148 and Thunderbird 148. (CVE-2026-2793)","dates":{"published":"2026-03-09T19:19:17.000Z","modified":"2026-04-16T04:43:51.745Z","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":"< 140.8.0-1.mga9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.8.0-1.mga9","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":"< 140.8.0-1.mga9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.8.0-1.mga9","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2026-0053.html","label":"advisories.mageia.org/MGASA-2026-0053.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35166","label":"bugs.mageia.org/show_bug.cgi?id=35166","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.thunderbird.net/en-US/thunderbird/140.8.0esr/releasenotes/","label":"www.thunderbird.net/en-US/thunderbird/140.8.0esr/releasenotes/","hostname":"www.thunderbird.net","tags":["WEB"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2026-17/","label":"www.mozilla.org/en-US/security/advisories/mfsa2026-17/","hostname":"www.mozilla.org","tags":["Advisory"]}],"lineage":{"upstream":["CVE-2026-2757","CVE-2026-2758","CVE-2026-2759","CVE-2026-2760","CVE-2026-2761","CVE-2026-2762","CVE-2026-2763","CVE-2026-2764","CVE-2026-2765","CVE-2026-2766","CVE-2026-2767","CVE-2026-2768","CVE-2026-2769","CVE-2026-2770","CVE-2026-2771","CVE-2026-2772","CVE-2026-2773","CVE-2026-2774","CVE-2026-2775","CVE-2026-2776","CVE-2026-2777","CVE-2026-2778","CVE-2026-2779","CVE-2026-2780","CVE-2026-2782","CVE-2026-2783","CVE-2026-2784","CVE-2026-2785","CVE-2026-2786","CVE-2026-2787","CVE-2026-2788","CVE-2026-2789","CVE-2026-2790","CVE-2026-2791","CVE-2026-2792","CVE-2026-2793"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-03-09T19:19:17.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T04:43:51.745Z","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":"2026-10-20T18:30:03.869Z","stale":false,"partial":false}}