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CVE-2026-12300

Thunderbird

Description

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

CVSS 5.3EPSS 0.252%Risk 0.54
View source
Published
2026-06-16 13:16:30
Affected versions
<152
Type
Critical software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N