{ "schema_version": "1.7.0", "id": "MGASA-2026-0492", "published": "2026-10-12T18:47:12Z", "modified": "2026-10-12T18:32:18Z", "summary": "Updated thunderbird packages fix security vulnerabilities", "details": "Heap buffer overflow opening large email. (CVE-2026-103500)\nIncorrect boundary conditions in the Audio/Video: Playback component.\n(CVE-2026-100756)\nUse-after-free in the Widget component. (CVE-2026-100757)\nSandbox escape in the DOM: Navigation component. (CVE-2026-100758)\nUninitialized memory in the Storage: Quota Manager component.\n(CVE-2026-100759)\nSandbox escape in the Security: Process Sandboxing component.\n(CVE-2026-100760)\nSandbox escape due to use-after-free in the DOM: Content Processes\ncomponent. (CVE-2026-100762)\nUse-after-free in the JavaScript: WebAssembly component.\n(CVE-2026-100765)\nInformation disclosure in the Networking: JAR component.\n(CVE-2026-100766)\nUse-after-free in the Networking: Cache component. (CVE-2026-100767)\nUse-after-free in the JavaScript: WebAssembly component.\n(CVE-2026-100769)\nSandbox escape due to use-after-free in the DOM: Content Processes\ncomponent. (CVE-2026-100770)\nUndefined behavior in the DOM: Streams component. (CVE-2026-100771)\nUse-after-free in the DOM: Core & HTML component. (CVE-2026-100772)\nUse-after-free in the Storage: IndexedDB component. (CVE-2026-100773)\nUse-after-free in the DOM: Core & HTML component. (CVE-2026-100774)\nSandbox escape in the Graphics component. (CVE-2026-100775)\nUse-after-free in the JavaScript: WebAssembly component.\n(CVE-2026-100776)\nUse-after-free in the Graphics: Canvas2D component. (CVE-2026-100777)\nSandbox escape due to use-after-free in the DOM: Core & HTML component.\n(CVE-2026-100778)\nUse-after-free in the XSLT component. (CVE-2026-100779)\nUse-after-free in the DOM: Core & HTML component. (CVE-2026-100780)\nSandbox escape due to incorrect boundary conditions in the Graphics:\nWebRender component. (CVE-2026-100781)\nPrivilege escalation due to incorrect boundary conditions in the\nGraphics component. (CVE-2026-100782)\nUninitialized memory in the Audio/Video component. (CVE-2026-100783)\nUse-after-free in the Layout: Text and Fonts component.\n(CVE-2026-100784)\nUse-after-free in the DOM: Core & HTML component. (CVE-2026-100785)\nSandbox escape due to use-after-free in the Graphics component.\n(CVE-2026-100786)\nSandbox escape in the XUL component. (CVE-2026-100787)\nInvalid pointer in the JavaScript: WebAssembly component.\n(CVE-2026-100788)\nUse-after-free in the Graphics: Canvas2D component. (CVE-2026-100789)\nUse-after-free in the XSLT component. (CVE-2026-100790)\nUse-after-free in the DOM: Core & HTML component. (CVE-2026-100791)\nUse-after-free in the Graphics: Canvas2D component. (CVE-2026-100832)\nJIT miscompilation in the JavaScript: WebAssembly component.\n(CVE-2026-100792)\nSandbox escape due to incorrect boundary conditions in the\nInternationalization component. (CVE-2026-100794)\nInformation disclosure in the Networking component. (CVE-2026-96869)\nPrivilege escalation due to use-after-free in the Graphics: WebRender\ncomponent. (CVE-2026-100797)\nCryptography misuse in Storage: Quota Manager component.\n(CVE-2026-100798)\nSandbox escape due to use-after-free in the Disability Access APIs\ncomponent. (CVE-2026-100800)\nPrivilege escalation in the DLL Services component. (CVE-2026-100801)\nSame-origin policy bypass in the WebExtensions component.\n(CVE-2026-100803)\nUninitialized memory in the Graphics: WebGPU component.\n(CVE-2026-100806)\nPrivilege escalation in the DOM: Service Workers component.\n(CVE-2026-100807)\nMitigation bypass in the DOM: Service Workers component.\n(CVE-2026-100808)\nSame-origin policy bypass in the DevTools component. (CVE-2026-100809)\nSandbox escape due to use-after-free in the DOM: Core & HTML component.\n(CVE-2026-100811)\nDenial-of-service in the Graphics component. (CVE-2026-100812)\nIncorrect boundary conditions in the JavaScript Engine: JIT component.\n(CVE-2026-100814)\nUse-after-free in the CSS Parsing and Computation component.\n(CVE-2026-100815)\nSite isolation issue in the DOM: Networking component. (CVE-2026-100816)\nSandbox escape due to use-after-free in the Widget: Gtk component.\n(CVE-2026-100818)\nSandbox escape due to incorrect boundary conditions in the XPCOM\ncomponent. (CVE-2026-100819)\nPrivilege escalation in the Address Bar component. (CVE-2026-100820)\nSite isolation issue in the Panning and Zooming component.\n(CVE-2026-100821)\nSpoofing issue in the Networking: HTTP component. (CVE-2026-100822)\nPrivilege escalation in the Places component. (CVE-2026-100824)\nUse-after-free in the JavaScript Engine: JIT component.\n(CVE-2026-100825)\nDenial-of-service in the Storage: StorageManager component.\n(CVE-2026-100826)\nMitigation bypass in the Bookmarks & History component.\n(CVE-2026-100828)\nMitigation bypass in the DOM: Security component. (CVE-2026-100829)\nMitigation bypass in the DOM: Navigation component. (CVE-2026-100830)\nUse-after-free in the DOM: UI Events & Focus Handling component.\n(CVE-2026-100831)\n", "upstream": [ "CVE-2026-103500", "CVE-2026-96869", "CVE-2026-100756", "CVE-2026-100757", "CVE-2026-100758", "CVE-2026-100759", "CVE-2026-100760", "CVE-2026-100762", "CVE-2026-100765", "CVE-2026-100766", "CVE-2026-100767", "CVE-2026-100769", "CVE-2026-100770", "CVE-2026-100771", "CVE-2026-100772", "CVE-2026-100773", "CVE-2026-100774", "CVE-2026-100775", "CVE-2026-100776", "CVE-2026-100777", "CVE-2026-100778", "CVE-2026-100779", "CVE-2026-100780", "CVE-2026-100781", "CVE-2026-100782", "CVE-2026-100783", "CVE-2026-100784", "CVE-2026-100785", "CVE-2026-100786", "CVE-2026-100787", "CVE-2026-100788", "CVE-2026-100789", "CVE-2026-100790", "CVE-2026-100791", "CVE-2026-100792", "CVE-2026-100794", "CVE-2026-100797", "CVE-2026-100798", "CVE-2026-100800", "CVE-2026-100801", "CVE-2026-100803", "CVE-2026-100806", "CVE-2026-100807", "CVE-2026-100808", "CVE-2026-100809", "CVE-2026-100811", "CVE-2026-100812", "CVE-2026-100814", "CVE-2026-100815", "CVE-2026-100816", "CVE-2026-100818", "CVE-2026-100819", "CVE-2026-100820", "CVE-2026-100821", "CVE-2026-100822", "CVE-2026-100824", "CVE-2026-100825", "CVE-2026-100826", "CVE-2026-100828", "CVE-2026-100829", "CVE-2026-100830", "CVE-2026-100831", "CVE-2026-100832" ], "references": [ { "type": "ADVISORY", "url": "https://advisories.mageia.org/MGASA-2026-0492.html" }, { "type": "REPORT", "url": "https://bugs.mageia.org/show_bug.cgi?id=36416" }, { "type": "WEB", "url": "https://www.thunderbird.net/en-US/thunderbird/153.4.0esr/releasenotes/" }, { "type": "ADVISORY", "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-103/" } ], "affected": [ { "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": "153.4.0-1.mga10" } ] } ], "ecosystem_specific": { "section": "core" } }, { "package": { "ecosystem": "Mageia:10", "name": "thunderbird", "purl": "pkg:rpm/mageia/thunderbird?arch=source&distro=mageia-10" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" }, { "fixed": "153.4.0-3.mga10" } ] } ], "ecosystem_specific": { "section": "core" } } ], "credits": [ { "name": "Mageia", "type": "COORDINATOR", "contact": [ "https://wiki.mageia.org/en/Packages_Security_Team" ] } ] }