PT-2026-84178
CVE-2026-84125
·
Published
2026-09-01
·
Updated
2026-10-10
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
Mozilla Firefox versions prior to 155
Mozilla Firefox ESR versions prior to 153.2
Description
A use-after-free issue exists within the DOM: Core and HTML components. A use-after-free occurs when an application continues to use a pointer after it has been freed, which can lead to crashes or arbitrary code execution.
Recommendations
Update Mozilla Firefox to version 155.
Update Mozilla Firefox ESR to version 153.2.
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