facebook react-native vulnerabilities and exploits

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9.8

CVSSv3

A type confusion bug in TypedArray prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could have been used by a malicious malicious user to execute arbitrary code via untrusted JavaScript. Note that this is only exploitable in cases where Hermes is used to execute untrusted...

Facebook Hermes -

7.5

CVSSv3

A null pointer dereference bug in Hermes prior to commit 5cae9f72975cf0e5a62b27fdd8b01f103e198708 could have been used by an malicious user to crash an Hermes runtime where the EnableHermesInternal config option was set to true. Note that this is only exploitable in cases where H...

Facebook Hermes

7.5

CVSSv3

A use-after-free in BigIntPrimitive addition in Hermes prior to commit a6dcafe6ded8e61658b40f5699878cd19a481f80 could have been used by an malicious user to leak raw data from Hermes VM’s heap. Note that this is only exploitable in cases where Hermes is used to execute untr...

Facebook Hermes

9.8

CVSSv3

A use-after-free related to unsound inference in the bytecode generation when optimizations are enabled for Hermes prior to commit da8990f737ebb9d9810633502f65ed462b819c09 could have been used by an malicious user to achieve remote code execution. Note that this is only exploitab...

Facebook Hermes -

9.8

CVSSv3

A bytecode optimization bug in Hermes prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could be used to cause an use-after-free and obtain arbitrary code execution via a carefully crafted payload. Note that this is only exploitable in cases where Hermes is used to execute...

Facebook Hermes -

9.8

CVSSv3

An error in BigInt conversion to Number in Hermes prior to commit a6dcafe6ded8e61658b40f5699878cd19a481f80 could have been used by a malicious malicious user to execute arbitrary code due to an out-of-bound write. Note that this bug is only exploitable in cases where Hermes is us...

Facebook Hermes

9.8

CVSSv3

An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious malicious user to execute arbitrary code via type confusion. Note that this is only exploitable in cases where Hermes is used to...

Facebook Hermes

9.8

CVSSv3

An integer conversion error in Hermes bytecode generation, prior to commit 6aa825e480d48127b480b08d13adf70033237097, could have been used to perform Out-Of-Bounds operations and subsequently execute arbitrary code. Note that this is only exploitable in cases where Hermes is used ...

Facebook Hermes

9.8

CVSSv3

A write-what-where condition in hermes caused by an integer overflow, prior to commit 5b6255ae049fa4641791e47fad994e8e8c4da374 allows malicious users to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes p...

Facebook Hermes

9.8

CVSSv3

An out of bounds write in hermes, while handling large arrays, prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 allows malicious users to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits ...

Facebook Hermes

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