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openSUSE: MozillaThunderbird Important Sandbox Escapes 2025:03309-1

opensuse
Calendar Grey September 23, 2025
Dist Opensuse Esm H88
An urgent security patch for MozillaFirefox addresses various vulnerabilities on openSUSE systems. Update immediately to ensure protection!
An update that solves seven vulnerabilities can now be installed.

Description

This update for MozillaThunderbird fixes the following issues:

Update to Mozilla Thunderbird 140.3 (bsc#1249391).

Security issues fixed:

* MFSA 2025-78

* CVE-2025-10527: sandbox escape due to use-after-free in the Graphics:

Canvas2D component.

* CVE-2025-10528: sandbox escape due to undefined behavior, invalid pointer in

the Graphics: Canvas2D component.

* CVE-2025-10529: same-origin policy bypass in the Layout component.

* CVE-2025-10532: incorrect boundary conditions in the JavaScript: GC

component.

* CVE-2025-10533: integer overflow in the SVG component.

* CVE-2025-10536: information disclosure in the Networking: Cache component.

* CVE-2025-10537: memory safety bugs fixed in Firefox ESR 140.3, Thunderbird

ESR 140.3, Firefox 143 and Thunderbird 143.

Other issues fixed:

* Right-clicking 'List-ID' -> 'Unsubscribe' created double encoded draft

subject.

* Thunderbird could crash on startup.

* Thunderbird could crash when importing mail.

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory important memory safety 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:

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2025-3309=1

* SUSE Package Hub 15 15-SP6

zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-3309=1

* SUSE Package Hub 15 15-SP7

zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-3309=1

* SUSE Linux Enterprise Workstation Extension 15 SP6

zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-3309=1

* SUSE Linux Enterprise Workstation Extension 15 SP7

zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2025-3309=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* MozillaThunderbird-debuginfo-140.3.0-150200.8.239.1

* MozillaThunderbird-140.3.0-150200.8.239.1

* MozillaThunderbird-debugsource-140.3.0-150200.8.239.1

* MozillaThunderbird-translations-other-140.3.0-150200.8.239.1

* MozillaThunderbird-translations-common-140.3.0-150200.8.239.1

* SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)

* MozillaThunderbird-debuginfo-140.3.0-150200.8.239.1

* MozillaThunderbird-140.3.0-150200.8.239.1

* MozillaThunderbird-debugsource-140.3.0-150200.8.239.1

* MozillaThunderbird-translations-other-140.3.0-150200.8.239.1

* MozillaThunderbird-translations-common-140.3.0-150200.8.239.1

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

* MozillaThunderbird-debuginfo-140.3.0-150200.8.239.1

* MozillaThunderbird-140.3.0-150200.8.239.1

* MozillaThunderbird-debugsource-140.3.0-150200.8.239.1

* MozillaThunderbird-translations-other-140.3.0-150200.8.239.1

* MozillaThunderbird-translations-common-140.3.0-150200.8.239.1

* SUSE Linux...

Read the Full Advisory

References

* bsc#1249391

## References:

* https://www.suse.com/security/cve/CVE-2025-10527.html

* https://www.suse.com/security/cve/CVE-2025-10528.html

* https://www.suse.com/security/cve/CVE-2025-10529.html

* https://www.suse.com/security/cve/CVE-2025-10532.html

* https://www.suse.com/security/cve/CVE-2025-10533.html

* https://www.suse.com/security/cve/CVE-2025-10536.html

* https://www.suse.com/security/cve/CVE-2025-10537.html

* https://bugzilla.suse.com/show_bug.cgi?id=1249391

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03309-1
Release Date: 2025-09-23T14:30:39Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7 * SUSE Linux Enterprise Workstation Extension 15 SP6 * SUSE Linux Enterprise Workstation Extension 15 SP7 * SUSE Package Hub 15 15-SP6 * SUSE Package Hub 15 15-SP7

Topics%20covered

Topics Covered

security advisory important memory safety OpenSUSE sandbox escape MozillaThunderbird

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