CVE-2025-3033
First published: Tue Apr 01 2025(Updated: )
After selecting a malicious Windows .url shortcut from the local filesystem, an unexpected file could be uploaded. This bug only affects Firefox on Windows. Other operating systems are unaffected.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox | <137 | 137 |
| Thunderbird | <137 | 137 |
| Firefox | <137.0 | |
| Thunderbird | <137.0 |
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Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2025-3033?
CVE-2025-3033 has been classified as a moderate severity vulnerability affecting Firefox on Windows.
How do I fix CVE-2025-3033?
To mitigate CVE-2025-3033, users should update Firefox or Thunderbird to version 137 or later.
What systems are affected by CVE-2025-3033?
CVE-2025-3033 specifically affects the Firefox and Thunderbird applications on Windows operating systems.
What type of vulnerability is CVE-2025-3033?
CVE-2025-3033 is a file upload vulnerability that occurs when a malicious Windows .url shortcut is selected.
Can I be attacked by CVE-2025-3033 if I use a different operating system?
No, CVE-2025-3033 only affects Windows systems; other operating systems are not at risk from this vulnerability.
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