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CVE-2018-12368 Windows 10 does not warn users before opening executable files with the SettingContent-ms extension even when they…

Description

Windows 10 does not warn users before opening executable files with the SettingContent-ms extension even when they have been downloaded from the internet and have the "Mark of the Web." Without the warning, unsuspecting users unfamiliar with this new file type might run an unwanted executable. This also allows a WebExtension with the limited downloads.open permission to execute arbitrary code without user interaction on Windows 10 systems. *Note: this issue only affects Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Affected products and versions

Product Affected versions Fixed in
Thunderbird 60 earliest → < 60 60
Thunderbird 52.9 earliest → < 52.9 52.9
Firefox ESR 60.1 earliest → < 60.1 60.1
Firefox ESR 52.9 earliest → < 52.9 52.9
Firefox 61 earliest → < 61 61
The 1713 CVEs of Thunderbird →
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