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Known vulnerabilities in Facebook Hermes

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CVE Summary Score Published
CVE-2023-30470 A use-after-free related to unsound inference in the bytecode generation when optimizations are enabled for Hermes prior… 9.8 Critical May 18, 2023
CVE-2023-28081 A bytecode optimization bug in Hermes prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could be used to cause an… 9.8 Critical May 18, 2023
CVE-2023-25933 A type confusion bug in TypedArray prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could have been used by a… 9.8 Critical May 18, 2023
CVE-2023-23557 An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad… 9.8 Critical May 18, 2023
CVE-2023-23556 An error in BigInt conversion to Number in Hermes prior to commit a6dcafe6ded8e61658b40f5699878cd19a481f80 could have… 9.8 Critical May 18, 2023

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