NetSight
critical9.6

CVE-2026-92035

Sandbox escape due to incorrect boundary conditions in the Graphics component.

Impact

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Thunderbird 140.17, Firefox 156, Firefox ESR 153.3, Thunderbird 156, Thunderbird 153.3, Firefox ESR 115.42, and Firefox ESR 140.17.

Affected products

VendorProductAffected versions
MozillaFirefox
before 115.42.0
from 116.0 before 140.17.0
from 141.0 before 153.3.0
from 154.0.0 before 156.0.0
MozillaThunderbird
before 140.17.0
from 141.0 before 153.3.0
from 154.0 before 156.0

Weakness classification

References