PT-2026-111469
CVE-2026-109748
·
Published
2026-10-13
·
Updated
2026-10-20
Description by
CVSS 3.1
5.4
MediumMetricsAV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 158
Thunderbird versions prior to 158
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 Firefox to version 158 or later.
Update Thunderbird to version 158 or later.
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