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CVE-2024-8385

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Date: September 3, 2024

A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.

Language: C++

Severity Score

Related Resources (6)

https://bugzilla.mozilla.org/show_bug.cgi?id=1911909
https://nvd.nist.gov/vuln/detail/CVE-2024-8385
https://www.mozilla.org/security/advisories/mfsa2024-39/
https://www.mozilla.org/security/advisories/mfsa2024-40/
https://www.mozilla.org/security/advisories/mfsa2024-43/
https://www.mend.io/vulnerability-database/CVE-2024-8385

Severity Score

Weakness Type (CWE)

Access of Resource Using Incompatible Type ('Type Confusion')

CWE-843

Top Fix

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Upgrade to version mozjs_sys - no_fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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