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CVE-2022-22737 Constructing audio sinks could have lead to a race condition when playing audio files and closing windows

Description

Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Affected products and versions

Product Affected versions Fixed in
Firefox ESR 91.5 earliest → < 91.5 91.5
Firefox 96 earliest → < 96 96
Thunderbird 91.5 earliest → < 91.5 91.5
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