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SUSE MozillaThunderbird Security Advisory 2026-0880-1 Addresses 37 Issues

suse
Calendar Grey March 12, 2026
Dist Suse Esm H88
A critical update for SUSE MozillaThunderbird addresses 37 vulnerabilities to ensure software security and integrity.
An update that solves 37 vulnerabilities can now be installed.

Summary

## This update for MozillaThunderbird fixes the following issues: Mozilla Thunderbird 140.8 MFSA 2026-17 (bsc#1258568): * CVE-2026-2757: Incorrect boundary conditions in the WebRTC: Audio/Video component * CVE-2026-2758: Use-after-free in the JavaScript: GC component * CVE-2026-2759: Incorrect boundary conditions in the Graphics: ImageLib component * CVE-2026-2760: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component * CVE-2026-2761: Sandbox escape in the Graphics: WebRender component * CVE-2026-2762: Integer overflow in the JavaScript: Standard Library component * CVE-2026-2763: Use-after-free in the JavaScript Engine component * CVE-2026-2764: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component

Topics%20covered

Topics Covered

security advisory update SuSE exploit important mozilla thunderbird

References

* bsc#1258568

Cross-

* 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

CVSS scores:

* CVE-2026-2757 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2026-2757 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0880-1
Release Date: 2026-03-12T10:18:38Z
Rating: important

Topics%20covered

Topics Covered

security advisory update SuSE exploit important mozilla thunderbird

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