First published: Tue Apr 01 2025(Updated: )
A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack.
Credit: security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Thunderbird | <137 | 137 |
Mozilla Thunderbird | <128.9 | 128.9 |
Firefox | <137 | 137 |
Firefox ESR | <128.9 | 128.9 |
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(Appears in the following advisories)
(Found alongside the following vulnerabilities)
CVE-2025-3029 has been classified as a high severity vulnerability due to the risk of spoofing attacks.
To fix CVE-2025-3029, update your Mozilla Thunderbird or Firefox to the latest version beyond the vulnerable releases.
CVE-2025-3029 affects Thunderbird versions prior to 137, Thunderbird ESR versions prior to 128.9, Firefox versions prior to 137, and Firefox ESR versions prior to 128.9.
CVE-2025-3029 facilitates potential spoofing attacks by allowing crafted URLs to hide the true origin of a page.
The vendor for CVE-2025-3029 is Mozilla, which produces both Thunderbird and Firefox.