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SUSE-SU-2026:0153-1

SUSE-SU-2026:0153-1 · Security update for MozillaThunderbird

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This update for MozillaThunderbird fixes the following issues: MFSA 2026-05 (bsc#1256340): - CVE-2026-0877: Mitigation bypass in the DOM in Security component - CVE-2026-0878: Sandbox escape due to incorrect boundary conditions in the Graphics in CanvasWebGL component - CVE-2026-0879: Sandbox escape due to incorrect boundary conditions in the Graphics component - CVE-2026-0880: Sandbox escape due to integer overflow in the Graphics component - CVE-2026-0882: Use-after-free in the IPC component - CVE-2025-14327: Spoofing issue in the Downloads Panel component - CVE-2026-0883: Information disclosure in the Networking component - CVE-2026-0884: Use-after-free in the JavaScript Engine component - CVE-2026-0885: Use-after-free in the JavaScript: GC component - CVE-2026-0886: Incorrect boundary conditions in the Graphics component - CVE-2026-0887: Clickjacking issue, information disclosure in the PDF Viewer component - CVE-2026-0890: Spoofing issue in the DOM in Copy & Paste and Drag & Drop component - CVE-2026-0891: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147

Fix available

Published
Updated

Stack: system

Affected products and versions

  • mozillathunderbird SUSE:Linux Enterprise Module for Package Hub 15 SP7

    Affected ranges
    • ECOSYSTEM: < 140.7.0-150200.8.251.1

    Update to 140.7.0-150200.8.251.1

  • mozillathunderbird SUSE:Linux Enterprise Workstation Extension 15 SP7

    Affected ranges
    • ECOSYSTEM: < 140.7.0-150200.8.251.1

    Update to 140.7.0-150200.8.251.1

  • mozillathunderbird openSUSE:Leap 15.6

    Affected ranges
    • ECOSYSTEM: < 140.7.0-150200.8.251.1

    Update to 140.7.0-150200.8.251.1

Original sources

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