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CVE-2021-29982

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.

POC

Reference

No PoCs from references.

Github

- https://github.com/5211-yx/javascript_fuzzer

- https://github.com/TimerIzaya/fuzzilli-plus

- https://github.com/TimerIzaya/izayailli

- https://github.com/googleprojectzero/fuzzilli

- https://github.com/zhangjiahui-buaa/MasterThesis