NetSight
high8.8

CVE-2021-38496

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable cras…

Impact

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

Affected products

VendorProductAffected versions
MozillaFirefox
before 93.0
from 91.0 before 91.2
MozillaFirefox Esr
before 78.15
MozillaThunderbird
before 78.15
from 91.0 before 91.2
DebianDebian Linux
Versions 9.0, 10.0, 11.0

Weakness classification

References