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9.1 Critical

CVE-2026-12316 Mitigation bypass in the DOM: Security component

Description

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Affected products and versions

Product Affected versions Fixed in
Firefox 152 earliest → < 152 152
Thunderbird 152 earliest → < 152 152

References

Timeline

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