{"schemaVersion":3,"id":"MGASA-2026-0523","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated thunderbird packages fix security vulnerabilities\n\nDenial-of-service in the Exchange email component. (CVE-2026-110249)\nPrivilege escalation in the Application Update component.\n(CVE-2026-109704)\nSandbox escape, site isolation issue due to incorrect boundary\nconditions, use-after-free in the Networking component.\n(CVE-2026-109705)\nUse-after-free in the Storage: IndexedDB component. (CVE-2026-109706)\nSandbox escape due to use-after-free in the Networking component.\n(CVE-2026-109707)\nSandbox escape due to incorrect boundary conditions in the Networking\ncomponent. (CVE-2026-109708)\nInformation disclosure, privilege escalation in the Security: Process\nSandboxing component. (CVE-2026-109709)\nUse-after-free in the Graphics: Text component. (CVE-2026-109710)\nUse-after-free in the Graphics: Canvas2D component. (CVE-2026-109711)\nSandbox escape due to uninitialized memory in the Graphics component.\n(CVE-2026-109712)\nUse-after-free in the Crash Reporting component. (CVE-2026-109713)\nIncorrect boundary conditions in the JavaScript Engine component.\n(CVE-2026-109715)\nIncorrect boundary conditions in the JavaScript Engine component.\n(CVE-2026-109716)\nUse-after-free in the DOM: Bindings (WebIDL) component.\n(CVE-2026-109717)\nUse-after-free in the XML component. (CVE-2026-109718)\nRace condition, use-after-free in the Graphics: CanvasWebGL component.\n(CVE-2026-109719)\nJIT miscompilation in the JavaScript: WebAssembly component.\n(CVE-2026-109720)\nIncorrect boundary conditions in the JavaScript Engine: JIT component.\n(CVE-2026-109721)\nJIT miscompilation in the JavaScript Engine: JIT component.\n(CVE-2026-109722)\nInteger overflow in the Layout: Text and Fonts component.\n(CVE-2026-109723)\nUse-after-free in the DOM: Core & HTML component. (CVE-2026-109724)\nUse-after-free in the DOM: Core & HTML component. (CVE-2026-109725)\nUse-after-free in the SVG component. (CVE-2026-109726)\nUse-after-free in the Audio/Video component. (CVE-2026-109727)\nUse-after-free in the DOM: Animation component. (CVE-2026-109728)\nUse-after-free in the JavaScript Engine: JIT component.\n(CVE-2026-109729)\nInteger overflow in the Graphics component. (CVE-2026-109730)\nIncorrect boundary conditions in the Graphics: Canvas2D component.\n(CVE-2026-109731)\nUse-after-free in the DOM: Streams component. (CVE-2026-109732)\nJIT miscompilation in the JavaScript Engine: JIT component.\n(CVE-2026-109733)\nMitigation bypass in the DOM: Security component. (CVE-2026-109734)\nFrame poisoning in the Layout component. (CVE-2026-109736)\nMitigation bypass in the Enterprise Policies component.\n(CVE-2026-109737)\nUse-after-free in the Audio/Video: Playback component. (CVE-2026-109738)\nUse-after-free in the Storage: Bucket File System component.\n(CVE-2026-109741)\nInformation disclosure in the PDF Viewer component. (CVE-2026-109742)\nPrivilege escalation in the Panning and Zooming component.\n(CVE-2026-109743)\nOther issue in the DOM: File component. (CVE-2026-109744)\nSandbox escape due to uninitialized memory in the DOM: Web Serial\ncomponent. (CVE-2026-109745)\nMitigation bypass in the File Handling component. (CVE-2026-109782)\nInformation disclosure in the Networking component. (CVE-2026-109751)\nUse-after-free in the DOM: Workers component. (CVE-2026-109752)\nIncorrect boundary conditions in the Layout component. (CVE-2026-109753)\nIncorrect boundary conditions in the DOM: Editor component.\n(CVE-2026-109754)\nPrivilege escalation in the DOM: Navigation component. (CVE-2026-109756)\nSandbox escape due to race condition in the Networking component.\n(CVE-2026-109757)\nSite isolation issue in the Networking component. (CVE-2026-109759)\nMitigation bypass in the Networking: HTTP component. (CVE-2026-109760)\nIncorrect boundary conditions in the SVG component. (CVE-2026-109762)\nMitigation bypass in the File Handling component. (CVE-2026-109763)\nMitigation bypass in the Enterprise Policies component.\n(CVE-2026-109764)\nRace condition, use-after-free in the Graphics: Text component.\n(CVE-2026-109765)\nMitigation bypass in the Enterprise Policies component.\n(CVE-2026-109766)\nInformation disclosure in the Networking component. (CVE-2026-109767)\nMitigation bypass in the File Handling component. (CVE-2026-109783)\nSpoofing issue in the DOM: Web Serial component. (CVE-2026-109770)\nDenial-of-service in the WebRTC component. (CVE-2026-109775)\nRace condition in the XPCOM component. (CVE-2026-109776)\nInformation disclosure in the Storage: IndexedDB component.\n(CVE-2026-109777)\nPrivilege escalation in the WebExtensions component. (CVE-2026-109778)\nDenial-of-service in the Printing: Output component. (CVE-2026-109781)","dates":{"published":"2026-10-20T02:38:36.000Z","modified":"2026-10-20T02:58:15.997Z","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":"< 153.5.0-1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 153.5.0-1.mga10","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":"< 153.5.0-1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 153.5.0-1.mga10","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2026-0523.html","label":"advisories.mageia.org/MGASA-2026-0523.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=36509","label":"bugs.mageia.org/show_bug.cgi?id=36509","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.thunderbird.net/en-US/thunderbird/153.5.0esr/releasenotes/","label":"www.thunderbird.net/en-US/thunderbird/153.5.0esr/releasenotes/","hostname":"www.thunderbird.net","tags":["WEB"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2026-110/","label":"www.mozilla.org/en-US/security/advisories/mfsa2026-110/","hostname":"www.mozilla.org","tags":["Advisory"]}],"lineage":{"upstream":["CVE-2026-109704","CVE-2026-109705","CVE-2026-109706","CVE-2026-109707","CVE-2026-109708","CVE-2026-109709","CVE-2026-109710","CVE-2026-109711","CVE-2026-109712","CVE-2026-109713","CVE-2026-109715","CVE-2026-109716","CVE-2026-109717","CVE-2026-109718","CVE-2026-109719","CVE-2026-109720","CVE-2026-109721","CVE-2026-109722","CVE-2026-109723","CVE-2026-109724","CVE-2026-109725","CVE-2026-109726","CVE-2026-109727","CVE-2026-109728","CVE-2026-109729","CVE-2026-109730","CVE-2026-109731","CVE-2026-109732","CVE-2026-109733","CVE-2026-109734","CVE-2026-109736","CVE-2026-109737","CVE-2026-109738","CVE-2026-109740","CVE-2026-109741","CVE-2026-109742","CVE-2026-109743","CVE-2026-109744","CVE-2026-109745","CVE-2026-109751","CVE-2026-109752","CVE-2026-109753","CVE-2026-109754","CVE-2026-109756","CVE-2026-109757","CVE-2026-109759","CVE-2026-109760","CVE-2026-109762","CVE-2026-109763","CVE-2026-109764","CVE-2026-109765","CVE-2026-109766","CVE-2026-109767","CVE-2026-109770","CVE-2026-109775","CVE-2026-109776","CVE-2026-109777","CVE-2026-109778","CVE-2026-109781","CVE-2026-109782","CVE-2026-109783","CVE-2026-110249"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-20T02:38:36.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-20T02:58:15.997Z","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":"2026-10-20T14:54:53.952Z","stale":false,"partial":false}}