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CVE-2025-10534
published 2025-09-16

CVE-2025-10534: Spoofing issue in the Site Permissions component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

high8.1CVSS 3.1
AVNACLPRNUIRSUCHIHAN
Spoofing issue in the Site Permissions component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

Affected

4 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 143.0-1 (sid)firefox 143.0-1 (sid)
mozillafirefox< 143.0143.0
mozillafirefox
mozillathunderbird< 143.0143.0

CVSS provenance

nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
osv8.1HIGH