Information disclosure in Mozilla Thunderbird - CVE-2025-3932

 

Information disclosure in Mozilla Thunderbird - CVE-2025-3932

Published: May 14, 2025


Vulnerability identifier: #VU109193
CSH Severity: Low
CVSS v4.0: 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
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Thunderbird

Detailed vulnerability 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.


How to mitigate CVE-2025-3932

Install updates from vendor's website.

Sources