Vulnerability Intelligence Report
CVE-2023-25933
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:0.89%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-843 ↗CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Hermes | 0 < e6ed9c1a4b02dc219de1648f44cd808a56171b81 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.891%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | |
| Reserved | 2023-02-16T19:48:39 |
| Published | 2023-05-18T21:24:58 |
| Last Updated | 2025-01-21T20:20:00 |
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