by Kastro CVE-2026-8401
Mozilla Firefox — Sandbox escape in the Profile Backup component
Description · from the CVE record
Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
Affected
ProductAffectedFixed inSource
Firefoxsee advisory115.36CNA
Thunderbirdsee advisory140.11CNA
Red Hat Enterprise Linux 10see advisory0:140.11.0-1.el10_2redhat-SADP
Red Hat Enterprise Linux 10see advisory0:140.11.0-1.el10_2redhat-SADP
Red Hat Enterprise Linux 10.0 Extended Update Supportsee advisory0:140.11.0-1.el10_0redhat-SADP
Red Hat Enterprise Linux 10.0 Extended Update Supportsee advisory0:140.11.0-1.el10_0redhat-SADP
Red Hat Enterprise Linux 7 Extended Lifecycle Supportsee advisory0:140.11.0-1.el7_9redhat-SADP
Red Hat Enterprise Linux 8see advisory0:140.11.0-1.el8_10redhat-SADP
Red Hat Enterprise Linux 8see advisory0:140.11.0-1.el8_10redhat-SADP
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportsee advisory0:140.11.0-1.el8_4redhat-SADP
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportsee advisory0:140.11.0-1.el8_4redhat-SADP
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onsee advisory0:140.11.0-1.el8_4redhat-SADP
Scores by source
CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
redhat-SADP (CNA)7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total