{"schemaVersion":3,"id":"MGASA-2026-0106","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated firefox & thunderbird packages fix security vulnerabilities\n\nMemory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1,\nThunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2.\n(CVE-2026-5731)\nIncorrect boundary conditions, integer overflow in the Graphics: Text\ncomponent. (CVE-2026-5732)\nMemory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR\n140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2. (CVE-2026-5734)","dates":{"published":"2026-04-21T02:11:49.000Z","modified":"2026-04-21T02:30:06.812Z","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":"firefox","name":"firefox","label":"firefox","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/firefox","purlType":"rpm","versions":[{"text":"< 140.9.1-1.mga9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.9.1-1.mga9","eol":null,"hubHref":null},{"vendor":"mageia","product":"firefox-l10n","name":"firefox-l10n","label":"firefox-l10n","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/firefox-l10n","purlType":"rpm","versions":[{"text":"< 140.9.1-1.mga9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.9.1-1.mga9","eol":null,"hubHref":null},{"vendor":"mageia","product":"thunderbird","name":"thunderbird","label":"thunderbird","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/thunderbird","purlType":"rpm","versions":[{"text":"< 140.9.1-1.mga9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.9.1-1.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":"< 140.9.1-1.mga9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.9.1-1.mga9","eol":null,"hubHref":null}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2026-0106.html","label":"advisories.mageia.org/MGASA-2026-0106.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35338","label":"bugs.mageia.org/show_bug.cgi?id=35338","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.firefox.com/en-US/firefox/140.9.1/releasenotes/","label":"www.firefox.com/en-US/firefox/140.9.1/releasenotes/","hostname":"www.firefox.com","tags":["WEB"]},{"url":"https://www.thunderbird.net/en-US/thunderbird/140.9.1esr/releasenotes/","label":"www.thunderbird.net/en-US/thunderbird/140.9.1esr/releasenotes/","hostname":"www.thunderbird.net","tags":["WEB"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2026-27/","label":"www.mozilla.org/en-US/security/advisories/mfsa2026-27/","hostname":"www.mozilla.org","tags":["Advisory"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2026-29/","label":"www.mozilla.org/en-US/security/advisories/mfsa2026-29/","hostname":"www.mozilla.org","tags":["Advisory"]}],"lineage":{"upstream":["CVE-2026-5731","CVE-2026-5732","CVE-2026-5734"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-04-21T02:11:49.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-21T02:30:06.812Z","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":"2026-10-21T02:42:34.167Z","stale":false,"partial":false}}