NetSight
high8.8

CVE-2021-38504

When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption a…

Impact

When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Affected products

VendorProductAffected versions
MozillaFirefox
before 94.0
MozillaFirefox Esr
before 91.3.0
MozillaThunderbird
before 91.3.0
DebianDebian Linux
Versions 9.0, 10.0, 11.0

Weakness classification

References