7.3
/ 10
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Description
Memory safety bugs present in Firefox 151 and Thunderbird 151. 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 was fixed in Firefox 152 and Thunderbird 152.
Basic Information
ID
CVE-2026-12326
Source
mozilla
Published
Jun 16, 2026 at 11:52
Modified
Jun 16, 2026 at 16:08
Affected Product
Vendor
Mozilla
Product
Firefox
Version
152