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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 2 LOW 0

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 2 Privilege escalation 0 Security bypass 0 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 2 No user interaction 2

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Weakness (CWE) CWE-416 Use After Free 1 CWE-843 Access of Resource Using Incompatible Type 1

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Release: Facebook Hermes e6ed9c1a4b02dc219de1648f44cd808a56171b81 × Clear all filters

TI-2023-12661 CVE-2023-28081 · GHSA-39xc-f34v-wjpw

Use after free in Meta Hermes

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

TI-2023-11181 CVE-2023-25933 · GHSA-jgwv-fx37-24vq

Type confusion in Meta Hermes

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 e6ed9c1 CWE-843

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