CVE-2020-6801

Mozilla developers reported memory safety bugs present in Firefox 72. 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 < 73.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
mozillaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
mozillafirefox
𝑥
< 73.0
canonicalubuntu_linux
16.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
eoan
Fixed 73.0+build3-0ubuntu0.19.10.1
released
bionic
Fixed 73.0+build3-0ubuntu0.18.04.1
released
xenial
Fixed 73.0.1+build1-0ubuntu0.16.04.1
released
trusty
dne
thunderbird
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1601024%2C1601712%2C1604836%2C1606492
https://usn.ubuntu.com/4278-2/
https://www.mozilla.org/security/advisories/mfsa2020-05/
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1601024%2C1601712%2C1604836%2C1606492
https://usn.ubuntu.com/4278-2/
https://www.mozilla.org/security/advisories/mfsa2020-05/