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CVE-2017-5405 Certain response codes in FTP connections can result in the use of uninitialized values for ports in FTP operations

Description

Certain response codes in FTP connections can result in the use of uninitialized values for ports in FTP operations. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

Affected products and versions

Product Affected versions Fixed in
Firefox 52 earliest → < 52 52
Firefox ESR 45.8 earliest → < 45.8 45.8
Thunderbird 52 earliest → < 52 52
Thunderbird 45.8 earliest → < 45.8 45.8

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