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CVE-2026-6758

Firefox

Description

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

CVSS 7.5EPSS 0.515%Risk 0.78
View source
Published
2026-04-21 13:16:21
Affected versions
<150
Type
Core software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H