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CVE-2025-3029

Date: April 1, 2025

A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability affects Firefox < 137, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9.

Severity Score

Related Resources (7)

https://bugzilla.mozilla.org/show_bug.cgi?id=1952213
https://www.mozilla.org/security/advisories/mfsa2025-22/
https://www.mozilla.org/security/advisories/mfsa2025-24/
https://www.mozilla.org/security/advisories/mfsa2025-23/
https://nvd.nist.gov/vuln/detail/CVE-2025-3029
https://www.mozilla.org/security/advisories/mfsa2025-20/
https://www.mend.io/vulnerability-database/CVE-2025-3029

Severity Score

Weakness Type (CWE)

Authentication Bypass by Spoofing

CWE-290

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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