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CVE-2026-6759

Firefox

Description

Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

CVSS 7.5EPSS 0.363%Risk 0.77
View source
Published
2026-04-21 13:16:21
Affected versions
<140.10
Type
Core software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H