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CVE-2017-5404 A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and…

Description

A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it. This results in a potentially exploitable crash. 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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