A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
References
| Link | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1952213 | Issue Tracking Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2025-20/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-22/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-23/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-24/ | Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2025/04/msg00005.html |
Configurations
Configuration 1 (hide)
|
History
05 Oct 2026, 15:10
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (es) Una URL manipulada que contiene caracteres Unicode específicos podría haber ocultado el verdadero origen de la página, lo que podría dar lugar a un ataque de suplantación de identidad. Esta vulnerabilidad afecta a Firefox menor que 137, Firefox ESR menor que 128.9, Thunderbird menor que 137 y Thunderbird menor que 128.9. |
30 Sep 2026, 18:10
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (es) Una URL manipulada que contiene caracteres Unicode específicos podría haber ocultado el verdadero origen de la página, lo que podría dar lugar a un ataque de suplantación de identidad. Esta vulnerabilidad afecta a Firefox < 137, Firefox ESR < 128.9, Thunderbird < 137 y Thunderbird < 128.9. |
Information
Published : 2025-04-01 13:15
Updated : 2026-10-05 15:10
NVD link : CVE-2025-3029
Mitre link : CVE-2025-3029
CVE.ORG link : CVE-2025-3029
JSON object : View
Products Affected
mozilla
- firefox
- thunderbird
CWE
CWE-290
Authentication Bypass by Spoofing