PT-2026-40022
CVE-2026-8390
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Published
2026-05-12
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Updated
2026-06-23
Description by
CVSS 2.0
7.6
HighMetricsAV:N/AC:H/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 150.0.3
Description
A use-after-free issue exists in the JavaScript: WebAssembly component. Use-after-free is a memory corruption flaw that occurs when an application continues to use a pointer after it has been freed.
Recommendations
Update to version 150.0.3.
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