Vulnerability Details : CVE-2024-7520

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.
Published 2024-08-06 13:15:57
Updated 2025-03-24 17:15:20
Source Mozilla Corporation
View at NVD,   CVE.org

Products affected by CVE-2024-7520

Exploit prediction scoring system (EPSS) score for CVE-2024-7520

EPSS FAQ
0.55%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 67 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2024-7520

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
 134c704f-9b21-4f2e-91b3-4a467353bcc0 2024-08-06
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
 NIST 2024-08-12

CWE ids for CVE-2024-7520

  • The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
    Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
  • The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2024-7520

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