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CVE-2026-6770
published 2026-04-21

CVE-2026-6770: Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

medium6.5CVSS 3.1
AVNACLPRNUINSUCLINAL
Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Affected

9 ranges
VendorProductVersion rangeFixed in
mozillafirefox< Firefox 150Firefox 150
mozillafirefox< 140.10.0140.10.0
mozillafirefox< 150.0150.0
mozillafirefox——
mozillafirefox_esr< Firefox ESR 140.10Firefox ESR 140.10
mozillathunderbird< Thunderbird 140.10Thunderbird 140.10
mozillathunderbird< Thunderbird 150Thunderbird 150
mozillathunderbird< 140.10.0140.10.0
rhel10firefox-flatpak——