NetSight
high8.8

CVE-2020-15659

Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0.

Impact

Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. 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 < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.

Affected products

VendorProductAffected versions
MozillaFirefox
before 79.0
MozillaFirefox Esr
before 68.11
from 78.0 before 78.1.0
MozillaThunderbird
before 68.11
from 78.0.1 before 78.1.0
OpensuseLeap
Versions 15.1, 15.2
CanonicalUbuntu Linux
Versions 16.04, 18.04, 20.04

Weakness classification

References