PT-2026-49667
CVE-2026-12298
·
Published
2026-06-16
·
Updated
2026-08-03
Description by
CVSS 3.1
10
CriticalMetricsAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 152
Firefox ESR versions prior to 140.12
Thunderbird versions prior to 152
Thunderbird versions prior to 140.12
Description
A memory safety bug exists that could lead to instability or unauthorized actions by improperly handling memory operations.
Recommendations
Update to version 152
Update to version 140.12
Update to version 152
Update to version 140.12
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