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CVE-2024-3855

Description

In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.

No PoCs from references.

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

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

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

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