Priority MEDIUM 51
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 attacker to achieve r…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01249 · Published 2023-05-18 · Fixed CWE-416
Priority MEDIUM 51
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.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00891 · Published 2023-05-18 · Fixed CWE-416
Priority MEDIUM 51
A type confusion bug in TypedArray prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could have been used by a malicious attacker to execute arbitrary code via untrusted JavaScript.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00891 · Published 2023-05-18 · Fixed in e6ed9c1a4b02dc219de1648f44cd808a56171b81 CWE-843
Priority MEDIUM 51
An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious attacker to execute arbitrary code via type confusion.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00891 · Published 2023-05-18 · Fixed CWE-843
Priority MEDIUM 51
An error in BigInt conversion to Number in Hermes prior to commit a6dcafe6ded8e61658b40f5699878cd19a481f80 could have been used by a malicious attacker to execute arbitrary code due to an out-of-bound write.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00891 · Published 2023-05-18 · Fixed CWE-787
Priority MEDIUM 47
A logic vulnerability when handling the SaveGeneratorLong instruction in Facebook Hermes prior to commit b2021df620824627f5a8c96615edbd1eb7fdddfc allows attackers to potentially read out of bounds or theoretically execut…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02515 · Published 2020-10-08 · Fixed in 0.7.2 CWE-670
Priority MEDIUM 47
A stack overflow vulnerability in Facebook Hermes 'builtin apply' prior to commit 86543ac47e59c522976b5632b8bf9a2a4583c7d2 (https://github.com/facebook/hermes/commit/86543ac47e59c522976b5632b8bf9a2a4583c7d2) allows attac…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02523 · Published 2021-02-02 · No fix listed CWE-121
Priority MEDIUM 46
A use after free in hermes, while emitting certain error messages, prior to commit d86e185e485b6330216dee8e854455c694e3a36e allows attackers to potentially execute arbitrary code via crafted JavaScript.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01795 · Published 2021-06-15 · Fixed in 0.8.0 CWE-416
Priority MEDIUM 46
A type confusion vulnerability when resolving properties of JavaScript objects with specially-crafted prototype chains in Facebook Hermes prior to commit fe52854cdf6725c2eaa9e125995da76e6ceb27da allows attackers to poten…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02003 · Published 2020-09-04 · Fixed in 0.5.2 CWE-843
Priority MEDIUM 45
A type confusion vulnerability could be triggered when resolving the "typeof" unary operator in Facebook Hermes prior to v0.10.0.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01252 · Published 2021-12-13 · Fixed in 0.10.0 CWE-843
Priority MEDIUM 45
By passing invalid javascript code where await and yield were called upon non-async and non-generator getter/setter functions, Hermes would invoke generator functions and error out on invalid await/yield positions.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.0126 · Published 2022-01-15 · Fixed in 0.10.0 CWE-843
Priority MEDIUM 44
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.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01212 · Published 2022-10-11 · Fixed in commit prior to 6aa825e480d48127b480b08d13adf70033237097 CWE-681
Priority MEDIUM 44
A write-what-where condition in hermes caused by an integer overflow, prior to commit 5b6255ae049fa4641791e47fad994e8e8c4da374 allows attackers to potentially execute arbitrary code via crafted JavaScript.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01202 · Published 2022-10-11 · Fixed in prior to commit 5b6255ae049fa4641791e47fad994e8e8c4da374 CWE-680
Priority MEDIUM 44
An out of bounds write in hermes, while handling large arrays, prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 allows attackers to potentially execute arbitrary code via crafted JavaScript.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01202 · Published 2022-10-11 · Fixed in prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 CWE-787
Priority MEDIUM 40
A use-after-free in BigIntPrimitive addition in Hermes prior to commit a6dcafe6ded8e61658b40f5699878cd19a481f80 could have been used by an attacker to leak raw data from Hermes VM’s heap.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00644 · Published 2023-05-18 · Fixed CWE-416
Priority MEDIUM 40
A null pointer dereference bug in Hermes prior to commit 5cae9f72975cf0e5a62b27fdd8b01f103e198708 could have been used by an attacker to crash an Hermes runtime where the EnableHermesInternal config option was set to tru…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00723 · Published 2023-05-18 · Fixed CWE-476
Priority LOW 39
An out-of-bounds read/write vulnerability when executing lazily compiled inner generator functions in Facebook Hermes prior to commit 091835377369c8fd5917d9b87acffa721ad2a168 allows attackers to potentially execute arbit…
CVSS 3.1HIGH 8.1· Network · No auth · No interaction · EPSS 0.01813 · Published 2020-09-09 · Fixed in 0.5.2 CWE-787
Priority LOW 38
An Integer signedness error in the JavaScript Interpreter in Facebook Hermes prior to commit 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6 allows attackers to cause a denial of service attack or a potential RCE via crafted Ja…
CVSS 3.1HIGH 8.1· Network · No auth · No interaction · EPSS 0.01202 · Published 2020-09-09 · Fixed in 0.5.2 CWE-195
Priority LOW 36
An out-of-bounds read in the JavaScript Interpreter in Facebook Hermes prior to commit 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0 allows attackers to cause a denial of service attack or possible further memory corruption v…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01603 · Published 2020-10-26 · Fixed in 0.7.2 CWE-125
Priority LOW 35
It was possible to trigger an infinite recursion condition in the error handler when Hermes executed specific maliciously formed JavaScript.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00884 · Published 2022-10-06 · Fixed in 0.12.0 CWE-674