CVE-2025-3029

HIGH EPSS 21.9%
Published Apr 1, 20251y ago · Modified Jun 17, 20261w ago
7.3 CVSS 3.1
High
Find Similar
Published Apr 1, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
7.3
Exploitability
3.9
Impact
3.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
21.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-290

Affected Products 4

VendorProductVersionRange
mozillafirefox* <128.9.0
mozillafirefox* <137.0
mozillathunderbird* <128.9.0
mozillathunderbird*≥129.0  –  <137.0

References 6

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1952213
    Issue TrackingPermissions Required
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/04/msg00005.html
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-20/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-22/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-23/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-24/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.