{"schemaVersion":3,"id":"SUSE-SU-2026:0153-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for MozillaThunderbird\n\nThis update for MozillaThunderbird fixes the following issues:\n\nMFSA 2026-05 (bsc#1256340):\n\n  - CVE-2026-0877: Mitigation bypass in the DOM in Security component\n  - CVE-2026-0878: Sandbox escape due to incorrect boundary conditions in the\n    Graphics in CanvasWebGL component\n  - CVE-2026-0879: Sandbox escape due to incorrect boundary conditions in the\n    Graphics component\n  - CVE-2026-0880: Sandbox escape due to integer overflow in the Graphics\n    component\n  - CVE-2026-0882: Use-after-free in the IPC component\n  - CVE-2025-14327: Spoofing issue in the Downloads Panel component\n  - CVE-2026-0883: Information disclosure in the Networking component\n  - CVE-2026-0884: Use-after-free in the JavaScript Engine component\n  - CVE-2026-0885: Use-after-free in the JavaScript: GC component\n  - CVE-2026-0886: Incorrect boundary conditions in the Graphics component\n  - CVE-2026-0887: Clickjacking issue, information disclosure in the PDF Viewer\n    component\n  - CVE-2026-0890: Spoofing issue in the DOM in Copy & Paste and Drag & Drop\n    component\n  - CVE-2026-0891: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird\n    ESR 140.7, Firefox 147 and Thunderbird 147","dates":{"published":"2026-01-19T11:14:01.000Z","modified":"2026-03-23T04:51:58.540Z","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":"opensuse","product":"MozillaThunderbird&distro=openSUSE Leap 15.6","name":"MozillaThunderbird","label":"MozillaThunderbird&distro=openSUSE Leap 15.6","ecosystem":"openSUSE","cpePart":null,"purl":"pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE Leap 15.6","purlType":"rpm","versions":[{"text":"< 140.7.0-150200.8.251.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.7.0-150200.8.251.1","eol":null,"hubHref":null},{"vendor":"suse","product":"MozillaThunderbird&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7","name":"MozillaThunderbird","label":"MozillaThunderbird&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/MozillaThunderbird&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7","purlType":"rpm","versions":[{"text":"< 140.7.0-150200.8.251.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.7.0-150200.8.251.1","eol":null,"hubHref":null},{"vendor":"suse","product":"MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP7","name":"MozillaThunderbird","label":"MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP7","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP7","purlType":"rpm","versions":[{"text":"< 140.7.0-150200.8.251.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.7.0-150200.8.251.1","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260153-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-20260153-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1256340","label":"bugzilla.suse.com/1256340","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2025-14327","label":"www.suse.com/security/cve/CVE-2025-14327","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0877","label":"www.suse.com/security/cve/CVE-2026-0877","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0878","label":"www.suse.com/security/cve/CVE-2026-0878","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0879","label":"www.suse.com/security/cve/CVE-2026-0879","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0880","label":"www.suse.com/security/cve/CVE-2026-0880","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0882","label":"www.suse.com/security/cve/CVE-2026-0882","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0883","label":"www.suse.com/security/cve/CVE-2026-0883","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0884","label":"www.suse.com/security/cve/CVE-2026-0884","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0885","label":"www.suse.com/security/cve/CVE-2026-0885","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0886","label":"www.suse.com/security/cve/CVE-2026-0886","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0887","label":"www.suse.com/security/cve/CVE-2026-0887","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0890","label":"www.suse.com/security/cve/CVE-2026-0890","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0891","label":"www.suse.com/security/cve/CVE-2026-0891","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2025-14327","CVE-2026-0877","CVE-2026-0878","CVE-2026-0879","CVE-2026-0880","CVE-2026-0882","CVE-2026-0883","CVE-2026-0884","CVE-2026-0885","CVE-2026-0886","CVE-2026-0887","CVE-2026-0890","CVE-2026-0891"],"downstream":[],"duplicates":[],"related":["CVE-2025-14327","CVE-2026-0877","CVE-2026-0878","CVE-2026-0879","CVE-2026-0880","CVE-2026-0882","CVE-2026-0883","CVE-2026-0884","CVE-2026-0885","CVE-2026-0886","CVE-2026-0887","CVE-2026-0890","CVE-2026-0891"]},"timeline":[{"kind":"published","date":"2026-01-19T11:14:01.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-03-23T04:51:58.540Z","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":"2026-10-21T20:48:18.687Z","stale":false,"partial":false}}