NetSight
high8.8

CVE-2021-29967

Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11.

Impact

Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. 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 Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.

Affected products

VendorProductAffected versions
MozillaFirefox
before 89.0
MozillaFirefox Esr
before 78.11
MozillaThunderbird
before 78.11

Weakness classification

References