Link following in Mozilla Firefox - CVE-2025-3033
Published: April 1, 2025
Vulnerability identifier: #VU106364
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-3033
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists in the way Firefox handles Windows .url shortcuts. A remote attacker can trick the victim into clicking on a specially crafted shortcut and force the browser to open another file.
Affected software
Mozilla Firefox
Mozilla Thunderbird
Mozilla Thunderbird
How to mitigate CVE-2025-3033
Install updates from vendor's website.
Mozilla Firefox - update to 137.0
Mozilla Thunderbird - update to 137.0
Mozilla Thunderbird - update to 137.0