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4.3 Medium

CVE-2024-5690 By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were…

Description

By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a user's system. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

Affected products and versions

Product Affected versions Fixed in
Firefox 127 earliest → < 127 127
Firefox ESR 115.12 earliest → < 115.12 115.12
Thunderbird 115.12 earliest → < 115.12 115.12
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