{"schemaVersion":3,"id":"SUSE-SU-2026:0880-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for MozillaThunderbird\n\nThis update for MozillaThunderbird fixes the following issues:\n\nMozilla Thunderbird 140.8 MFSA 2026-17 (bsc#1258568):\n\n- CVE-2026-2757: Incorrect boundary conditions in the WebRTC: Audio/Video\n  component\n- CVE-2026-2758: Use-after-free in the JavaScript: GC component\n- CVE-2026-2759: Incorrect boundary conditions in the Graphics: ImageLib\n  component\n- CVE-2026-2760: Sandbox escape due to incorrect boundary conditions in the\n  Graphics: WebRender component\n- CVE-2026-2761: Sandbox escape in the Graphics: WebRender component\n- CVE-2026-2762: Integer overflow in the JavaScript: Standard Library component\n- CVE-2026-2763: Use-after-free in the JavaScript Engine component\n- CVE-2026-2764: JIT miscompilation, use-after-free in the JavaScript Engine:\n  JIT component\n- CVE-2026-2765: Use-after-free in the JavaScript Engine component\n- CVE-2026-2766: Use-after-free in the JavaScript Engine: JIT component\n- CVE-2026-2767: Use-after-free in the JavaScript: WebAssembly component\n- CVE-2026-2768: Sandbox escape in the Storage: IndexedDB component\n- CVE-2026-2769: Use-after-free in the Storage: IndexedDB component\n- CVE-2026-2770: Use-after-free in the DOM: Bindings (WebIDL) component\n- CVE-2026-2771: Undefined behavior in the DOM: Core & HTML component\n- CVE-2026-2772: Use-after-free in the Audio/Video: Playback component\n- CVE-2026-2773: Incorrect boundary conditions in the Web Audio component\n- CVE-2026-2774: Integer overflow in the Audio/Video component\n- CVE-2026-2775: Mitigation bypass in the DOM: HTML Parser component\n- CVE-2026-2776: Sandbox escape due to incorrect boundary conditions in the\n  Telemetry component in External Software\n- CVE-2026-2777: Privilege escalation in the Messaging System component\n- CVE-2026-2778: Sandbox escape due to incorrect boundary conditions in the\n  DOM: Core & HTML component\n- CVE-2026-2779: Incorrect boundary conditions in the Networking: JAR component\n- CVE-2026-2780: Privilege escalation in the Netmonitor component\n- CVE-2026-2781: Integer overflow in the Libraries component in NSS\n- CVE-2026-2782: Privilege escalation in the Netmonitor component\n- CVE-2026-2783: Information disclosure due to JIT miscompilation in the\n  JavaScript Engine: JIT component\n- CVE-2026-2784: Mitigation bypass in the DOM: Security component\n- CVE-2026-2785: Invalid pointer in the JavaScript Engine component\n- CVE-2026-2786: Use-after-free in the JavaScript Engine component\n- CVE-2026-2787: Use-after-free in the DOM: Window and Location component\n- CVE-2026-2788: Incorrect boundary conditions in the Audio/Video: GMP\n  component\n- CVE-2026-2789: Use-after-free in the Graphics: ImageLib component\n- CVE-2026-2790: Same-origin policy bypass in the Networking: JAR component\n- CVE-2026-2791: Mitigation bypass in the Networking: Cache component\n- CVE-2026-2792: Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR\n  140.8, Firefox 148 and Thunderbird 148\n- CVE-2026-2793: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR\n  140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148","dates":{"published":"2026-03-12T10:18:33.000Z","modified":"2026-03-13T08:56:15.814Z","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":"< 140.8.0-150200.8.260.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.8.0-150200.8.260.1","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":"< 140.8.0-150200.8.260.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.8.0-150200.8.260.1","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":"< 140.8.0-150200.8.260.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.8.0-150200.8.260.1","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260880-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-20260880-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1258568","label":"bugzilla.suse.com/1258568","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2757","label":"www.suse.com/security/cve/CVE-2026-2757","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2758","label":"www.suse.com/security/cve/CVE-2026-2758","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2759","label":"www.suse.com/security/cve/CVE-2026-2759","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2760","label":"www.suse.com/security/cve/CVE-2026-2760","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2761","label":"www.suse.com/security/cve/CVE-2026-2761","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2762","label":"www.suse.com/security/cve/CVE-2026-2762","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2763","label":"www.suse.com/security/cve/CVE-2026-2763","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2764","label":"www.suse.com/security/cve/CVE-2026-2764","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2765","label":"www.suse.com/security/cve/CVE-2026-2765","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2766","label":"www.suse.com/security/cve/CVE-2026-2766","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2767","label":"www.suse.com/security/cve/CVE-2026-2767","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2768","label":"www.suse.com/security/cve/CVE-2026-2768","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2769","label":"www.suse.com/security/cve/CVE-2026-2769","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2770","label":"www.suse.com/security/cve/CVE-2026-2770","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2771","label":"www.suse.com/security/cve/CVE-2026-2771","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2772","label":"www.suse.com/security/cve/CVE-2026-2772","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2773","label":"www.suse.com/security/cve/CVE-2026-2773","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2774","label":"www.suse.com/security/cve/CVE-2026-2774","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2775","label":"www.suse.com/security/cve/CVE-2026-2775","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2776","label":"www.suse.com/security/cve/CVE-2026-2776","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2777","label":"www.suse.com/security/cve/CVE-2026-2777","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2778","label":"www.suse.com/security/cve/CVE-2026-2778","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2779","label":"www.suse.com/security/cve/CVE-2026-2779","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2780","label":"www.suse.com/security/cve/CVE-2026-2780","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2781","label":"www.suse.com/security/cve/CVE-2026-2781","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2782","label":"www.suse.com/security/cve/CVE-2026-2782","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2783","label":"www.suse.com/security/cve/CVE-2026-2783","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2784","label":"www.suse.com/security/cve/CVE-2026-2784","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2785","label":"www.suse.com/security/cve/CVE-2026-2785","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2786","label":"www.suse.com/security/cve/CVE-2026-2786","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2787","label":"www.suse.com/security/cve/CVE-2026-2787","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2788","label":"www.suse.com/security/cve/CVE-2026-2788","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2789","label":"www.suse.com/security/cve/CVE-2026-2789","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2790","label":"www.suse.com/security/cve/CVE-2026-2790","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2791","label":"www.suse.com/security/cve/CVE-2026-2791","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2792","label":"www.suse.com/security/cve/CVE-2026-2792","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2793","label":"www.suse.com/security/cve/CVE-2026-2793","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-2757","CVE-2026-2758","CVE-2026-2759","CVE-2026-2760","CVE-2026-2761","CVE-2026-2762","CVE-2026-2763","CVE-2026-2764","CVE-2026-2765","CVE-2026-2766","CVE-2026-2767","CVE-2026-2768","CVE-2026-2769","CVE-2026-2770","CVE-2026-2771","CVE-2026-2772","CVE-2026-2773","CVE-2026-2774","CVE-2026-2775","CVE-2026-2776","CVE-2026-2777","CVE-2026-2778","CVE-2026-2779","CVE-2026-2780","CVE-2026-2781","CVE-2026-2782","CVE-2026-2783","CVE-2026-2784","CVE-2026-2785","CVE-2026-2786","CVE-2026-2787","CVE-2026-2788","CVE-2026-2789","CVE-2026-2790","CVE-2026-2791","CVE-2026-2792","CVE-2026-2793"],"downstream":[],"duplicates":[],"related":["CVE-2026-2757","CVE-2026-2758","CVE-2026-2759","CVE-2026-2760","CVE-2026-2761","CVE-2026-2762","CVE-2026-2763","CVE-2026-2764","CVE-2026-2765","CVE-2026-2766","CVE-2026-2767","CVE-2026-2768","CVE-2026-2769","CVE-2026-2770","CVE-2026-2771","CVE-2026-2772","CVE-2026-2773","CVE-2026-2774","CVE-2026-2775","CVE-2026-2776","CVE-2026-2777","CVE-2026-2778","CVE-2026-2779","CVE-2026-2780","CVE-2026-2781","CVE-2026-2782","CVE-2026-2783","CVE-2026-2784","CVE-2026-2785","CVE-2026-2786","CVE-2026-2787","CVE-2026-2788","CVE-2026-2789","CVE-2026-2790","CVE-2026-2791","CVE-2026-2792","CVE-2026-2793"]},"timeline":[{"kind":"published","date":"2026-03-12T10:18:33.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-03-13T08:56:15.814Z","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":"2026-10-21T23:00:16.237Z","stale":false,"partial":false}}