CVE-2023-6873

EUVD-2023-59077
Memory safety bugs present in Firefox 120. 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 < 121.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 59%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 121.0
debiandebian_linux
10.0
debiandebian_linux
11.0
debiandebian_linux
12.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
133.0.3-1
fixed
thunderbird
bookworm
1:115.16.0esr-1~deb12u1
fixed
bookworm (security)
1:128.5.0esr-1~deb12u1
fixed
bullseye
1:115.12.0-1~deb11u1
fixed
bullseye (security)
1:128.5.0esr-1~deb11u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
bionic
ignored
focal
Fixed 121.0+build1-0ubuntu0.20.04.1
released
jammy
not-affected
lunar
ignored
mantic
not-affected
noble
not-affected
trusty
ignored
xenial
ignored
mozjs102
bionic
dne
focal
dne
jammy
ignored
lunar
ignored
mantic
ignored
noble
ignored
trusty
dne
xenial
dne
mozjs38
bionic
ignored
focal
dne
jammy
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs52
bionic
ignored
focal
ignored
jammy
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs68
bionic
dne
focal
ignored
jammy
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs78
bionic
dne
focal
dne
jammy
ignored
lunar
ignored
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs91
bionic
dne
focal
dne
jammy
ignored
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
thunderbird
bionic
ignored
focal
not-affected
jammy
not-affected
lunar
ignored
mantic
not-affected
noble
not-affected
trusty
ignored
xenial
ignored