PT-2026-49675
CVE-2026-12306
·
Published
2026-06-16
·
Updated
2026-10-22
Description by
CVSS 3.1
5.3
MediumMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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 in the software, which could lead to unexpected behavior or crashes when handling memory operations.
Recommendations
Update Firefox to version 152.
Update Firefox ESR to version 140.12.
Update Thunderbird to version 152.
Update Thunderbird to version 140.12.
Found an issue in the description? Have something to add? Feel free to write us 👾