PT-2026-84195
CVE-2026-84142
·
Published
2026-09-01
·
Updated
2026-10-18
Description by
CVSS 3.1
9.8
CriticalMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Firefox version 154
Thunderbird version 154
Description
Internal bugs were identified that exhibit evidence of memory corruption or other security-relevant defects, which could potentially be exploited.
Recommendations
Update Firefox to version 155.
Update Thunderbird to version 155.
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