SUSE update for MozillaThunderbird

1) Input validation error

EUVDB-ID: #VU109190

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-3875

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a spoofing attack

The vulnerability exists due to insufficient validation of email addresses. A remote attacker can spoof the sender email address via a specially crafted "From" field in the email..

Mitigation

Update the affected package MozillaThunderbird to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension 15: SP6

SUSE Package Hub 15: 15-SP6

SUSE Linux Enterprise Real Time 15: SP6

openSUSE Leap: 15.6

SUSE Linux Enterprise Server for SAP Applications 15: SP6

SUSE Linux Enterprise Server 15: SP6

SUSE Linux Enterprise Desktop 15: SP6

MozillaThunderbird-debugsource: before 128.10.1-150200.8.215.1

MozillaThunderbird: before 128.10.1-150200.8.215.1

MozillaThunderbird-debuginfo: before 128.10.1-150200.8.215.1

MozillaThunderbird-translations-other: before 128.10.1-150200.8.215.1

MozillaThunderbird-translations-common: before 128.10.1-150200.8.215.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_workstation_extension_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_package_hub_15:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:a:suse:mozillathunderbird-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-translations-other:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-translations-common:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2025/suse-su-202501660-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU109191

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-3877

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect handling of "mailbox:///" links. A remote attacker can trick the victim into clicking on such a link and force the application into downloading arbitrary file or leak credentials.

Mitigation

Update the affected package MozillaThunderbird to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension 15: SP6

SUSE Package Hub 15: 15-SP6

SUSE Linux Enterprise Real Time 15: SP6

openSUSE Leap: 15.6

SUSE Linux Enterprise Server for SAP Applications 15: SP6

SUSE Linux Enterprise Server 15: SP6

SUSE Linux Enterprise Desktop 15: SP6

MozillaThunderbird-debugsource: before 128.10.1-150200.8.215.1

MozillaThunderbird: before 128.10.1-150200.8.215.1

MozillaThunderbird-debuginfo: before 128.10.1-150200.8.215.1

MozillaThunderbird-translations-other: before 128.10.1-150200.8.215.1

MozillaThunderbird-translations-common: before 128.10.1-150200.8.215.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_workstation_extension_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_package_hub_15:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:a:suse:mozillathunderbird-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-translations-other:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-translations-common:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2025/suse-su-202501660-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Input validation error

EUVDB-ID: #VU109192

Risk: High

CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-3909

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to incorrect handling of the X-Mozilla-External-Attachment-URL header. A remote attacker can create a nested email attachment, set its content type to application/pdf and force the application to execute arbitrary JavaScript code in the file:/// context.

Mitigation

Update the affected package MozillaThunderbird to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension 15: SP6

SUSE Package Hub 15: 15-SP6

SUSE Linux Enterprise Real Time 15: SP6

openSUSE Leap: 15.6

SUSE Linux Enterprise Server for SAP Applications 15: SP6

SUSE Linux Enterprise Server 15: SP6

SUSE Linux Enterprise Desktop 15: SP6

MozillaThunderbird-debugsource: before 128.10.1-150200.8.215.1

MozillaThunderbird: before 128.10.1-150200.8.215.1

MozillaThunderbird-debuginfo: before 128.10.1-150200.8.215.1

MozillaThunderbird-translations-other: before 128.10.1-150200.8.215.1

MozillaThunderbird-translations-common: before 128.10.1-150200.8.215.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_workstation_extension_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_package_hub_15:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:a:suse:mozillathunderbird-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-translations-other:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-translations-common:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2025/suse-su-202501660-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Information disclosure

EUVDB-ID: #VU109193

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-3932

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to incorrect handling of tracking links. A remote attacker can create a specially crafted email message that showed a tracking link as an attachment. If the user attempted to open the attachment, Thunderbird automatically accessed the link.

Mitigation

Update the affected package MozillaThunderbird to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension 15: SP6

SUSE Package Hub 15: 15-SP6

SUSE Linux Enterprise Real Time 15: SP6

openSUSE Leap: 15.6

SUSE Linux Enterprise Server for SAP Applications 15: SP6

SUSE Linux Enterprise Server 15: SP6

SUSE Linux Enterprise Desktop 15: SP6

MozillaThunderbird-debugsource: before 128.10.1-150200.8.215.1

MozillaThunderbird: before 128.10.1-150200.8.215.1

MozillaThunderbird-debuginfo: before 128.10.1-150200.8.215.1

MozillaThunderbird-translations-other: before 128.10.1-150200.8.215.1

MozillaThunderbird-translations-common: before 128.10.1-150200.8.215.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_workstation_extension_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_package_hub_15:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:a:suse:mozillathunderbird-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-translations-other:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:mozillathunderbird-translations-common:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2025/suse-su-202501660-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.