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CVE-2026-12298

Thunderbird

Description

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

CVSS 5.4EPSS 0.306%Risk 0.55
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:R/S:U/C:L/I:L/A:N