PT-2026-84197
CVE-2026-84144
·
Published
2026-09-01
·
Updated
2026-10-10
Description by
CVSS 3.1
7.5
HighMetricsAV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Thunderbird version 154
Thunderbird ESR version 153.1
Firefox version 154
Firefox ESR version 153.1
Description
Internal bugs were identified that exhibit evidence of memory corruption or other security-relevant defects, which could potentially be exploited.
Recommendations
Update Thunderbird to version 155.
Update Thunderbird ESR to version 153.2.
Update Firefox to version 155.
Update Firefox ESR to version 153.2.
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