CVE-2021-23984

A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 52%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 87.0
mozillafirefox_esr
𝑥
< 78.9
mozillathunderbird
𝑥
< 78.9
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
firefox-esr
bookworm
115.14.0esr-1~deb12u1
fixed
bookworm (security)
128.4.0esr-1~deb12u1
fixed
bullseye
115.14.0esr-1~deb11u1
fixed
bullseye (security)
128.4.0esr-1~deb11u1
fixed
sid
128.4.0esr-1
fixed
trixie
128.3.1esr-2
fixed
thunderbird
bookworm
1:115.12.0-1~deb12u1
fixed
bookworm (security)
1:115.16.0esr-1~deb12u1
fixed
bullseye
1:115.12.0-1~deb11u1
fixed
bullseye (security)
1:128.4.0esr-1~deb11u1
fixed
sid
1:128.4.0esr-1
fixed
trixie
1:128.4.0esr-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
bionic
Fixed 87.0+build3-0ubuntu0.18.04.2
released
focal
Fixed 87.0+build3-0ubuntu0.20.04.2
released
groovy
Fixed 87.0+build3-0ubuntu0.20.10.1
released
hirsute
Fixed 87.0+build3-0ubuntu1
released
impish
Fixed 87.0+build3-0ubuntu1
released
jammy
Fixed 87.0+build3-0ubuntu1
released
kinetic
Fixed 87.0+build3-0ubuntu1
released
lunar
Fixed 87.0+build3-0ubuntu1
released
mantic
Fixed 87.0+build3-0ubuntu1
released
noble
Fixed 87.0+build3-0ubuntu1
released
trusty
dne
xenial
Fixed 87.0+build3-0ubuntu0.16.04.2
released
firefox-esr
bionic
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs38
bionic
ignored
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs52
bionic
ignored
focal
ignored
groovy
ignored
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs68
bionic
dne
focal
ignored
groovy
ignored
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs78
bionic
dne
focal
dne
groovy
ignored
hirsute
ignored
impish
ignored
jammy
ignored
kinetic
ignored
lunar
ignored
mantic
dne
noble
dne
trusty
dne
xenial
dne
thunderbird
bionic
Fixed 1:78.11.0+build1-0ubuntu0.18.04.2
released
focal
Fixed 1:78.11.0+build1-0ubuntu0.20.04.2
released
groovy
Fixed 1:78.11.0+build1-0ubuntu0.20.10.2
released
hirsute
Fixed 1:78.11.0+build1-0ubuntu0.21.04.2
released
impish
Fixed 1:78.11.0+build1-0ubuntu2
released
jammy
Fixed 1:78.11.0+build1-0ubuntu2
released
kinetic
Fixed 1:78.11.0+build1-0ubuntu2
released
lunar
Fixed 1:78.11.0+build1-0ubuntu2
released
mantic
Fixed 1:78.11.0+build1-0ubuntu2
released
noble
Fixed 1:78.11.0+build1-0ubuntu2
released
trusty
dne
xenial
ignored
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
MozillaFirefox
suse enterprise desktop 15 SP2
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP3
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP4
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP5
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP6
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP7
78.9.0-8.35.1
fixed
suse enterprise sap 12 SP2
78.9.0-112.54.1
fixed
suse enterprise sap 12 SP3
78.9.0-112.54.1
fixed
suse enterprise sap 12 SP4
78.9.0-112.54.1
fixed
suse enterprise sap 12 SP5
78.9.0-112.54.1
fixed
suse enterprise sap 15
78.9.0-3.136.1
fixed
suse enterprise sap 15 SP1
78.9.0-3.136.1
fixed
suse enterprise sap 15 SP2
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP3
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP4
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP5
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP6
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP7
78.9.0-8.35.1
fixed
suse enterprise server 12 SP2
78.9.0-112.54.1
fixed
suse enterprise server 12 SP3
78.9.0-112.54.1
fixed
suse enterprise server 12 SP4
78.9.0-112.54.1
fixed
suse enterprise server 12 SP5
78.9.0-112.54.1
fixed
suse enterprise server 15
78.9.0-3.136.1
fixed
suse enterprise server 15 SP1
78.9.0-3.136.1
fixed
suse enterprise server 15 SP2
78.9.0-8.35.1
fixed
suse enterprise server 15 SP3
78.9.0-8.35.1
fixed
suse enterprise server 15 SP4
78.9.0-8.35.1
fixed
suse enterprise server 15 SP5
78.9.0-8.35.1
fixed
suse enterprise server 15 SP6
78.9.0-8.35.1
fixed
suse enterprise server 15 SP7
78.9.0-8.35.1
fixed
MozillaFirefox-branding-SLE-78
suse enterprise sap 15
4.16.1
fixed
suse enterprise sap 15 SP1
4.16.1
fixed
suse enterprise server 15
4.16.1
fixed
suse enterprise server 15 SP1
4.16.1
fixed
MozillaFirefox-devel
suse enterprise desktop 15 SP2
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP3
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP4
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP5
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP6
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP7
78.9.0-8.35.1
fixed
suse enterprise sap 12 SP2
78.9.0-112.54.1
fixed
suse enterprise sap 12 SP3
78.9.0-112.54.1
fixed
suse enterprise sap 12 SP4
78.9.0-112.54.1
fixed
suse enterprise sap 12 SP5
78.9.0-112.54.1
fixed
suse enterprise sap 15
78.9.0-3.136.1
fixed
suse enterprise sap 15 SP1
78.9.0-3.136.1
fixed
suse enterprise sap 15 SP2
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP3
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP4
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP5
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP6
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP7
78.9.0-8.35.1
fixed
suse enterprise server 12 SP2
78.9.0-112.54.1
fixed
suse enterprise server 12 SP3
78.9.0-112.54.1
fixed
suse enterprise server 12 SP4
78.9.0-112.54.1
fixed
suse enterprise server 12 SP5
78.9.0-112.54.1
fixed
suse enterprise server 15
78.9.0-3.136.1
fixed
suse enterprise server 15 SP1
78.9.0-3.136.1
fixed
suse enterprise server 15 SP2
78.9.0-8.35.1
fixed
suse enterprise server 15 SP3
78.9.0-8.35.1
fixed
suse enterprise server 15 SP4
78.9.0-8.35.1
fixed
suse enterprise server 15 SP5
78.9.0-8.35.1
fixed
suse enterprise server 15 SP6
78.9.0-8.35.1
fixed
suse enterprise server 15 SP7
78.9.0-8.35.1
fixed
MozillaFirefox-translations-common
suse enterprise desktop 15 SP2
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP3
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP4
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP5
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP6
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP7
78.9.0-8.35.1
fixed
suse enterprise sap 12 SP2
78.9.0-112.54.1
fixed
suse enterprise sap 12 SP3
78.9.0-112.54.1
fixed
suse enterprise sap 12 SP4
78.9.0-112.54.1
fixed
suse enterprise sap 12 SP5
78.9.0-112.54.1
fixed
suse enterprise sap 15
78.9.0-3.136.1
fixed
suse enterprise sap 15 SP1
78.9.0-3.136.1
fixed
suse enterprise sap 15 SP2
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP3
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP4
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP5
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP6
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP7
78.9.0-8.35.1
fixed
suse enterprise server 12 SP2
78.9.0-112.54.1
fixed
suse enterprise server 12 SP3
78.9.0-112.54.1
fixed
suse enterprise server 12 SP4
78.9.0-112.54.1
fixed
suse enterprise server 12 SP5
78.9.0-112.54.1
fixed
suse enterprise server 15
78.9.0-3.136.1
fixed
suse enterprise server 15 SP1
78.9.0-3.136.1
fixed
suse enterprise server 15 SP2
78.9.0-8.35.1
fixed
suse enterprise server 15 SP3
78.9.0-8.35.1
fixed
suse enterprise server 15 SP4
78.9.0-8.35.1
fixed
suse enterprise server 15 SP5
78.9.0-8.35.1
fixed
suse enterprise server 15 SP6
78.9.0-8.35.1
fixed
suse enterprise server 15 SP7
78.9.0-8.35.1
fixed
MozillaFirefox-translations-other
suse enterprise desktop 15 SP2
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP3
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP4
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP5
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP6
78.9.0-8.35.1
fixed
suse enterprise desktop 15 SP7
78.9.0-8.35.1
fixed
suse enterprise sap 15
78.9.0-3.136.1
fixed
suse enterprise sap 15 SP1
78.9.0-3.136.1
fixed
suse enterprise sap 15 SP2
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP3
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP4
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP5
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP6
78.9.0-8.35.1
fixed
suse enterprise sap 15 SP7
78.9.0-8.35.1
fixed
suse enterprise server 15
78.9.0-3.136.1
fixed
suse enterprise server 15 SP1
78.9.0-3.136.1
fixed
suse enterprise server 15 SP2
78.9.0-8.35.1
fixed
suse enterprise server 15 SP3
78.9.0-8.35.1
fixed
suse enterprise server 15 SP4
78.9.0-8.35.1
fixed
suse enterprise server 15 SP5
78.9.0-8.35.1
fixed
suse enterprise server 15 SP6
78.9.0-8.35.1
fixed
suse enterprise server 15 SP7
78.9.0-8.35.1
fixed
MozillaThunderbird
suse enterprise desktop 15 SP2
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP3
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP4
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP5
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP6
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP7
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP2
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP3
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP4
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP5
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP6
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP7
78.9.1-8.20.1
fixed
suse enterprise server 15 SP2
78.9.1-8.20.1
fixed
suse enterprise server 15 SP3
78.9.1-8.20.1
fixed
suse enterprise server 15 SP4
78.9.1-8.20.1
fixed
suse enterprise server 15 SP5
78.9.1-8.20.1
fixed
suse enterprise server 15 SP6
78.9.1-8.20.1
fixed
suse enterprise server 15 SP7
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP2
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP3
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP4
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP5
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP6
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP7
78.9.1-8.20.1
fixed
MozillaThunderbird-translations-common
suse enterprise desktop 15 SP2
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP3
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP4
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP5
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP6
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP7
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP2
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP3
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP4
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP5
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP6
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP7
78.9.1-8.20.1
fixed
suse enterprise server 15 SP2
78.9.1-8.20.1
fixed
suse enterprise server 15 SP3
78.9.1-8.20.1
fixed
suse enterprise server 15 SP4
78.9.1-8.20.1
fixed
suse enterprise server 15 SP5
78.9.1-8.20.1
fixed
suse enterprise server 15 SP6
78.9.1-8.20.1
fixed
suse enterprise server 15 SP7
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP2
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP3
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP4
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP5
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP6
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP7
78.9.1-8.20.1
fixed
MozillaThunderbird-translations-other
suse enterprise desktop 15 SP2
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP3
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP4
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP5
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP6
78.9.1-8.20.1
fixed
suse enterprise desktop 15 SP7
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP2
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP3
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP4
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP5
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP6
78.9.1-8.20.1
fixed
suse enterprise sap 15 SP7
78.9.1-8.20.1
fixed
suse enterprise server 15 SP2
78.9.1-8.20.1
fixed
suse enterprise server 15 SP3
78.9.1-8.20.1
fixed
suse enterprise server 15 SP4
78.9.1-8.20.1
fixed
suse enterprise server 15 SP5
78.9.1-8.20.1
fixed
suse enterprise server 15 SP6
78.9.1-8.20.1
fixed
suse enterprise server 15 SP7
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP2
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP3
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP4
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP5
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP6
78.9.1-8.20.1
fixed
suse enterprise workstation 15 SP7
78.9.1-8.20.1
fixed
mozilla-nspr
suse enterprise desktop 15 SP2
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP3
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP4
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP5
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP6
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP7
4.25.1-3.17.1
fixed
suse enterprise sap 15
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP1
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP2
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP3
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP4
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP5
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP6
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP7
4.25.1-3.17.1
fixed
suse enterprise server 15
4.25.1-3.17.1
fixed
suse enterprise server 15 SP1
4.25.1-3.17.1
fixed
suse enterprise server 15 SP2
4.25.1-3.17.1
fixed
suse enterprise server 15 SP3
4.25.1-3.17.1
fixed
suse enterprise server 15 SP4
4.25.1-3.17.1
fixed
suse enterprise server 15 SP5
4.25.1-3.17.1
fixed
suse enterprise server 15 SP6
4.25.1-3.17.1
fixed
suse enterprise server 15 SP7
4.25.1-3.17.1
fixed
mozilla-nspr-32bit
suse enterprise desktop 15 SP2
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP3
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP4
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP5
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP6
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP7
4.25.1-3.17.1
fixed
suse enterprise sap 15
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP1
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP2
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP3
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP4
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP5
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP6
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP7
4.25.1-3.17.1
fixed
suse enterprise server 15
4.25.1-3.17.1
fixed
suse enterprise server 15 SP1
4.25.1-3.17.1
fixed
suse enterprise server 15 SP2
4.25.1-3.17.1
fixed
suse enterprise server 15 SP3
4.25.1-3.17.1
fixed
suse enterprise server 15 SP4
4.25.1-3.17.1
fixed
suse enterprise server 15 SP5
4.25.1-3.17.1
fixed
suse enterprise server 15 SP6
4.25.1-3.17.1
fixed
suse enterprise server 15 SP7
4.25.1-3.17.1
fixed
mozilla-nspr-devel
suse enterprise desktop 15 SP2
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP3
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP4
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP5
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP6
4.25.1-3.17.1
fixed
suse enterprise desktop 15 SP7
4.25.1-3.17.1
fixed
suse enterprise sap 15
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP1
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP2
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP3
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP4
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP5
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP6
4.25.1-3.17.1
fixed
suse enterprise sap 15 SP7
4.25.1-3.17.1
fixed
suse enterprise server 15
4.25.1-3.17.1
fixed
suse enterprise server 15 SP1
4.25.1-3.17.1
fixed
suse enterprise server 15 SP2
4.25.1-3.17.1
fixed
suse enterprise server 15 SP3
4.25.1-3.17.1
fixed
suse enterprise server 15 SP4
4.25.1-3.17.1
fixed
suse enterprise server 15 SP5
4.25.1-3.17.1
fixed
suse enterprise server 15 SP6
4.25.1-3.17.1
fixed
suse enterprise server 15 SP7
4.25.1-3.17.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
firefox
RHEL 7
0:78.9.0-1.el7_9
fixed
thunderbird
RHEL 7
0:78.9.0-3.el7_9
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1693664
https://www.mozilla.org/security/advisories/mfsa2021-10/
https://www.mozilla.org/security/advisories/mfsa2021-11/
https://www.mozilla.org/security/advisories/mfsa2021-12/
https://bugzilla.mozilla.org/show_bug.cgi?id=1693664
https://www.mozilla.org/security/advisories/mfsa2021-10/
https://www.mozilla.org/security/advisories/mfsa2021-11/
https://www.mozilla.org/security/advisories/mfsa2021-12/