CVE-2024-7521

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-755

Affected software

No affected versions have been published.

Timeline

Published: Aug 6, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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