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CVE-2026-4729

Firefox

Description

Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 149 and Thunderbird < 149.

CVSS 9.8EPSS 0.33%Risque 1.01
Voir la source
Publication
2026-03-24 13:16:08
Versions concernées
<149
Type
Core software
Vecteur
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H