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High severity8.1NVD Advisory· Published Sep 16, 2025· Updated Apr 13, 2026

CVE-2025-10534

CVE-2025-10534

Description

Spoofing issue in the Site Permissions component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

Affected products

2

Mozilla Corporation/Thunderbird
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Range: <143.0
Mozilla Corporation/Firefox
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Range: <143.0

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

www.mozilla.org/security/advisories/mfsa2025-73/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2025-77/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdPermissions Required

News mentions

0

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