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CVE-2023-23556

Published: 18/05/2023 Updated: 07/11/2023
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 0
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Vulnerability Summary

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 used to execute untrusted JavaScript. Hence, most React Native applications are not affected.

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References

CWE-787https://github.com/facebook/hermes/commit/a6dcafe6ded8e61658b40f5699878cd19a481f80https://www.facebook.com/security/advisories/cve-2023-23556https://nvd.nist.gov
VMScore
CVSSv2
CVSSv3
VMScore
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