NetSight
critical9.6

CVE-2026-100828

Mitigation bypass in the Bookmarks & History component.

Impact

Mitigation bypass in the Bookmarks & History component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

Affected products

VendorProductAffected versions
MozillaFirefox
before 153.4.0
from 154.0.0 before 157.0.0
MozillaThunderbird
before 153.4.0
from 154.0 before 157.0

Weakness classification

References