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CVE-2024-7520

Date: August 6, 2024

A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.

Language: C++

Severity Score

Related Resources (6)

https://www.mozilla.org/security/advisories/mfsa2024-37/
https://www.mozilla.org/security/advisories/mfsa2024-35/
https://bugzilla.mozilla.org/show_bug.cgi?id=1903041
https://nvd.nist.gov/vuln/detail/CVE-2024-7520
https://www.mozilla.org/security/advisories/mfsa2024-33/
https://www.mend.io/vulnerability-database/CVE-2024-7520

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

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

CWE-843

CVSS v3.1

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

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