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CVE-2023-25933

Critical

Description

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. Note that this is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected.

SeverityCritical
CVSS9.8
Exploit probability—
ProductFacebook Hermes
PublishedMay 18, 2023
First seenMay 18, 2023
Weakness typeCWE-843CWE-843

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
facebook hermesNo range specified—

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