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CVE-2021-29982 Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the…

Description

Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Affected products and versions

Product Affected versions Fixed in
Firefox 91 earliest → < 91 91
Thunderbird 91 earliest → < 91 91
The 2221 CVEs of Firefox →
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