CVE-2026-12322

Medium

Description

Clickjacking issue in the Widget: Gtk component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

SeverityMedium
CVSS5.4
Exploit probability—
ProductMozilla Firefox
PublishedJun 16, 2026
First seenJun 16, 2026
Weakness typeCWE-1021CWE-1021

How to fix

Update
  • mozilla firefox152.0.0 or later
  • mozilla thunderbird152.0.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 152.0.0152.0.0
mozilla thunderbirdv < 152.0.0152.0.0

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