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CVE-2026-6771
Published: Apr 21, 2026
Modified: May 27, 2026
PUBLISHED
Description
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Firefox | unaffected 140.10 - <= 140.*unaffected 150 - <= * |
Mozilla | Thunderbird | unaffected 140.10 - <= 140.*unaffected 150 - <= * |
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