A vulnerability in register allocation in JavaScript can...
High severity
Unreviewed
Published
May 14, 2022
to the GitHub Advisory Database
•
Updated Feb 2, 2023
Description
Published by the National Vulnerability Database
Oct 18, 2018
Published to the GitHub Advisory Database
May 14, 2022
Last updated
Feb 2, 2023
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
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