NetSight
high8.8

CVE-2021-29977

Mozilla developers reported memory safety bugs present in Firefox 89.

Impact

Mozilla developers reported memory safety bugs present in Firefox 89. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 90.

Affected products

VendorProductAffected versions
MozillaFirefox
before 90.0

Weakness classification

References