CVE-2024-7520

HIGH EPSS 44.3%
Published Aug 6, 20241y ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Aug 6, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
44.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-843
CWE-94 Improper Control of Generation of Code (Code Injection) Injection

Affected Products 3

VendorProductVersionRange
mozillafirefox* <129.0
mozillafirefox_esr* <128.1.0
mozillathunderbird* <128.1.0

References 4

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1903041
    Issue TrackingPermissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-33/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-35/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-37/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.