low
1
Advisory Published
Updated

REDHAT-BUG-2315952

First published: Tue Oct 01 2024(Updated: )

By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.

Affected SoftwareAffected VersionHow to fix
Firefox<131
Firefox ESR<128.3
Thunderbird<128.3<131

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