Critical severity9.8NVD Advisory· Published May 18, 2023· Updated Jun 17, 2026

CVE-2023-25933

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Facebook/Hermescpe-rescue3 versions
0+ 2 more
- (no CPE)range: 0
- (no CPE)range: <e6ed9c1a4b02dc219de1648f44cd808a56171b81
- cpe:2.3:a:facebook:hermes:-:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

github.com/facebook/hermes/commit/e6ed9c1a4b02dc219de1648f44cd808a56171b81nvdPatch
www.facebook.com/security/advisories/cve-2023-25933nvdPatchVendor Advisory

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000