SB2025052307 - SUSE update for MozillaThunderbird

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Main Vulnerability Database SB2025052307

SB2025052307 - SUSE update for MozillaThunderbird

Published: May 23, 2025

Security Bulletin ID SB2025052307
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 25% Medium 50% Low 25%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2025-3875)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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


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..


2) Input validation error (CVE-ID: CVE-2025-3877)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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


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.


3) Input validation error (CVE-ID: CVE-2025-3909)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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


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.


4) Information disclosure (CVE-ID: CVE-2025-3932)

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

CVSSv4: 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


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.


Remediation

Install update from vendor's website.

References