{ "schema_version": "1.7.0", "id": "MGASA-2026-0449", "published": "2026-09-24T16:06:15Z", "modified": "2026-09-24T15:01:05Z", "summary": "Updated thunderbird & thunderbird-l10n packages fix security vulnerabilities", "details": "Ambiguous parsing of mail headers. (CVE-2026-92238)\nBuffer overrun in IMAP. (CVE-2026-92239)\nOut-of-bounds read in IMAP response parser. (CVE-2026-92240)\nUse-after-free in the Audio/Video: Web Codecs component.\n(CVE-2026-92005)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics: CanvasWebGL component. (CVE-2026-92006)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics: CanvasWebGL component. (CVE-2026-92007)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics: CanvasWebGL component. (CVE-2026-92008)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics: CanvasWebGL component. (CVE-2026-92009)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics: CanvasWebGL component. (CVE-2026-92010)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics: CanvasWebGL component. (CVE-2026-92011)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics: CanvasWebGL component. (CVE-2026-92012)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics: CanvasWebGL component. (CVE-2026-92013)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics component. (CVE-2026-92014)\nPrivilege escalation in the WebExtensions component. (CVE-2026-92015)\nUse-after-free in the Disability Access APIs component. (CVE-2026-92016)\nPrivilege escalation in the DOM: Service Workers component.\n(CVE-2026-92017)\nSandbox escape in the DOM: Core & HTML component. (CVE-2026-92018)\nMitigation bypass in the Remote Settings Client component.\n(CVE-2026-92019)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics: WebRender component. (CVE-2026-92020)\nUse-after-free in the JavaScript Engine: JIT component. (CVE-2026-92021)\nUse-after-free in the DOM: HTML Parser component. (CVE-2026-92022)\nUse-after-free in the XML component. (CVE-2026-92023)\nUse-after-free in the SVG component. (CVE-2026-92024)\nUse-after-free in the DOM: Navigation component. (CVE-2026-92025)\nUse-after-free in the Networking component. (CVE-2026-92026)\nUse-after-free in the DOM: Streams component. (CVE-2026-92027)\nUse-after-free in the DOM: Core & HTML component. (CVE-2026-92028)\nUse-after-free in the SVG component. (CVE-2026-92029)\nMitigation bypass in the DOM: Copy & Paste and Drag & Drop component.\n(CVE-2026-92030)\nInformation disclosure in the Graphics: ImageLib component.\n(CVE-2026-92031)\nSandbox escape due to invalid pointer in the Graphics component.\n(CVE-2026-92032)\nMitigation bypass in the Remote Settings Client component.\n(CVE-2026-92038)\nMitigation bypass in the DOM: Notifications component. (CVE-2026-92039)\nMitigation bypass in the DOM: Networking component. (CVE-2026-92041)\nRace condition in the DOM: Content Processes component. (CVE-2026-92042)\nPrivilege escalation due to incorrect boundary conditions in the\nAudio/Video component. (CVE-2026-92043)\nInformation disclosure in the Networking: HTTP component.\n(CVE-2026-92044)\nSandbox escape due to incorrect boundary conditions in the WebRTC\ncomponent. (CVE-2026-92045)\nUse-after-free in the Graphics component. (CVE-2026-92046)\nPrivilege escalation in the Crash Reporting component. (CVE-2026-92047)\nPrivilege escalation due to uninitialized memory in the Graphics:\nCanvasWebGL component. (CVE-2026-92052)\nPrivilege escalation in the Graphics: CanvasWebGL component.\n(CVE-2026-92053)\nPrivilege escalation in the Memory component. (CVE-2026-92054)\nPrivilege escalation in the DevTools component. (CVE-2026-92055)\nUse-after-free in the Graphics: Text component. (CVE-2026-92056)\nMitigation bypass in the Enterprise Policies component. (CVE-2026-92057)\nUse-after-free in the Graphics component. (CVE-2026-92058)\nIncorrect boundary conditions in the DOM: Editor component.\n(CVE-2026-92059)\nUse-after-free in the Internationalization component. (CVE-2026-92060)\nPrivilege escalation in the Session Restore component. (CVE-2026-92062)\nUse-after-free in the Widget: Gtk component. (CVE-2026-92067)\nSite isolation issue in the Reader Mode component. (CVE-2026-92068)\nSpoofing issue in the DOM: Navigation component. (CVE-2026-92069)\nInformation disclosure in the Networking component. (CVE-2026-92070)\nIncorrect boundary conditions in the Safe Browsing component.\n(CVE-2026-92072)\nPrivilege escalation in the Enterprise Policies component.\n(CVE-2026-92073)\nMitigation bypass in the Popup Blocker component. (CVE-2026-92074)\nMitigation bypass in the Networking component. (CVE-2026-92075)\nIncorrect boundary conditions in the Networking component.\n(CVE-2026-92076)\nDenial-of-service in the SVG component. (CVE-2026-92077)\nDenial-of-service in the Security component. (CVE-2026-92078)\n", "upstream": [ "CVE-2026-92238", "CVE-2026-92239", "CVE-2026-92240", "CVE-2026-92005", "CVE-2026-92006", "CVE-2026-92007", "CVE-2026-92008", "CVE-2026-92009", "CVE-2026-92010", "CVE-2026-92011", "CVE-2026-92012", "CVE-2026-92013", "CVE-2026-92014", "CVE-2026-92015", "CVE-2026-92016", "CVE-2026-92017", "CVE-2026-92018", "CVE-2026-92019", "CVE-2026-92020", "CVE-2026-92021", "CVE-2026-92022", "CVE-2026-92023", "CVE-2026-92024", "CVE-2026-92025", "CVE-2026-92026", "CVE-2026-92027", "CVE-2026-92028", "CVE-2026-92029", "CVE-2026-92030", "CVE-2026-92031", "CVE-2026-92032", "CVE-2026-92038", "CVE-2026-92039", "CVE-2026-92041", "CVE-2026-92042", "CVE-2026-92043", "CVE-2026-92044", "CVE-2026-92045", "CVE-2026-92046", "CVE-2026-92047", "CVE-2026-92052", "CVE-2026-92053", "CVE-2026-92054", "CVE-2026-92055", "CVE-2026-92056", "CVE-2026-92057", "CVE-2026-92058", "CVE-2026-92059", "CVE-2026-92060", "CVE-2026-92062", "CVE-2026-92064", "CVE-2026-92067", "CVE-2026-92068", "CVE-2026-92069", "CVE-2026-92070", "CVE-2026-92072", "CVE-2026-92073", "CVE-2026-92074", "CVE-2026-92075", "CVE-2026-92076", "CVE-2026-92077", "CVE-2026-92078" ], "references": [ { "type": "ADVISORY", "url": "https://advisories.mageia.org/MGASA-2026-0449.html" }, { "type": "REPORT", "url": "https://bugs.mageia.org/show_bug.cgi?id=36318" }, { "type": "WEB", "url": "https://www.thunderbird.net/en-US/thunderbird/140.16.0esr/releasenotes/" }, { "type": "WEB", "url": "https://www.thunderbird.net/en-US/thunderbird/153.3.0esr/releasenotes/" }, { "type": "ADVISORY", "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-95/" }, { "type": "ADVISORY", "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-96/" } ], "affected": [ { "package": { "ecosystem": "Mageia:10", "name": "thunderbird", "purl": "pkg:rpm/mageia/thunderbird?arch=source&distro=mageia-10" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" }, { "fixed": "153.3.0-1.mga10" } ] } ], "ecosystem_specific": { "section": "core" } }, { "package": { "ecosystem": "Mageia:10", "name": "thunderbird-l10n", "purl": "pkg:rpm/mageia/thunderbird-l10n?arch=source&distro=mageia-10" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" }, { "fixed": "153.3.0-1.mga10" } ] } ], "ecosystem_specific": { "section": "core" } }, { "package": { "ecosystem": "Mageia:9", "name": "thunderbird", "purl": "pkg:rpm/mageia/thunderbird?arch=source&distro=mageia-9" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" }, { "fixed": "140.16.0-1.mga9" } ] } ], "ecosystem_specific": { "section": "core" } }, { "package": { "ecosystem": "Mageia:9", "name": "thunderbird-l10n", "purl": "pkg:rpm/mageia/thunderbird-l10n?arch=source&distro=mageia-9" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" }, { "fixed": "140.16.0-1.mga9" } ] } ], "ecosystem_specific": { "section": "core" } } ], "credits": [ { "name": "Mageia", "type": "COORDINATOR", "contact": [ "https://wiki.mageia.org/en/Packages_Security_Team" ] } ] }