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openSUSE Leap 15.6 MozillaThunderbird Important Update 2026-0880-1

opensuse
Calendar Grey March 12, 2026
Dist Opensuse Esm H88
Update resolves 37 critical security issues in MozillaThunderbird for openSUSE, enhancing system safety.
An update that solves 37 vulnerabilities can now be installed.

Description

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

* CVE-2026-2765: Use-after-free in the JavaScript Engine component

* CVE-2026-2766: Use-after-free in the JavaScript Engine: JIT component

* CVE-2026-2767: Use-after-free in the JavaScript:...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory update important OpenSUSE sandbox escape MozillaThunderbird

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* SUSE Linux Enterprise Workstation Extension 15 SP7

zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2026-880=1

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2026-880=1

* SUSE Package Hub 15 15-SP7

zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-880=1

Package List

* SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64)

* MozillaThunderbird-debugsource-140.8.0-150200.8.260.1

* MozillaThunderbird-translations-other-140.8.0-150200.8.260.1

* MozillaThunderbird-debuginfo-140.8.0-150200.8.260.1

* MozillaThunderbird-translations-common-140.8.0-150200.8.260.1

* MozillaThunderbird-140.8.0-150200.8.260.1

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* MozillaThunderbird-debugsource-140.8.0-150200.8.260.1

* MozillaThunderbird-translations-other-140.8.0-150200.8.260.1

* MozillaThunderbird-debuginfo-140.8.0-150200.8.260.1

* MozillaThunderbird-translations-common-140.8.0-150200.8.260.1

* MozillaThunderbird-140.8.0-150200.8.260.1

* SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x)

* MozillaThunderbird-debugsource-140.8.0-150200.8.260.1

* MozillaThunderbird-translations-other-140.8.0-150200.8.260.1

* MozillaThunderbird-debuginfo-140.8.0-150200.8.260.1

* MozillaThunderbird-translations-common-140.8.0-150200.8.260.1

* MozillaThunderbird-140.8.0-150200.8.260.1

References

* bsc#1258568

## References:

* https://www.suse.com/security/cve/CVE-2026-2757.html

* https://www.suse.com/security/cve/CVE-2026-2758.html

* https://www.suse.com/security/cve/CVE-2026-2759.html

* https://www.suse.com/security/cve/CVE-2026-2760.html

* https://www.suse.com/security/cve/CVE-2026-2761.html

* https://www.suse.com/security/cve/CVE-2026-2762.html

* https://www.suse.com/security/cve/CVE-2026-2763.html

* https://www.suse.com/security/cve/CVE-2026-2764.html

* https://www.suse.com/security/cve/CVE-2026-2765.html

* https://www.suse.com/security/cve/CVE-2026-2766.html

* https://www.suse.com/security/cve/CVE-2026-2767.html

* https://www.suse.com/security/cve/CVE-2026-2768.html

* https://www.suse.com/security/cve/CVE-2026-2769.html

* https://www.suse.com/security/cve/CVE-2026-2770.html

* https://www.suse.com/security/cve/CVE-2026-2771.html

* https://www.suse.com/security/cve/CVE-2026-2772.html

* https://www.suse.com/security/cve/CVE-2026-2773.html

* https://www.suse.com/security/cve/CVE-2026-2774.html

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0880-1
Release Date: 2026-03-12T10:18:38Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP7 * SUSE Linux Enterprise Workstation Extension 15 SP7 * SUSE Package Hub 15 15-SP7

Topics%20covered

Topics Covered

security advisory update important OpenSUSE sandbox escape MozillaThunderbird

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