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CVE-2026-12290

Thunderbird

Description

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

CVSS 8.1EPSS 0.39699999999999996%Risk 0.84
View source
Published
2026-06-16 13:16:29
Affected versions
<152, <140.12, <115.37
Type
Web application
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N