CVE-2022-26387

When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
TOCTOU
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 98.0
mozillafirefox_esr
𝑥
< 91.7
mozillathunderbird
𝑥
< 91.7
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)
1:128.4.0esr-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 98.0+build3-0ubuntu0.18.04.2
released
focal
Fixed 98.0+build3-0ubuntu0.20.04.2
released
impish
Fixed 98.0+build3-0ubuntu0.21.10.2
released
jammy
Fixed 1:1snap1-0ubuntu1
released
kinetic
Fixed 1:1snap1-0ubuntu1
released
lunar
Fixed 1:1snap1-0ubuntu1
released
mantic
Fixed 1:1snap1-0ubuntu1
released
noble
Fixed 1:1snap1-0ubuntu1
released
trusty
dne
xenial
ignored
firefox-esr
trusty
ignored
xenial
ignored
mozjs38
bionic
ignored
focal
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs52
bionic
ignored
focal
ignored
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs68
bionic
dne
focal
ignored
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
dne
mozjs78
bionic
dne
focal
dne
impish
ignored
jammy
ignored
kinetic
ignored
lunar
ignored
mantic
dne
noble
dne
trusty
dne
xenial
dne
thunderbird
bionic
Fixed 1:91.7.0+build2-0ubuntu0.18.04.1
released
focal
Fixed 1:91.7.0+build2-0ubuntu0.20.04.1
released
impish
Fixed 1:91.7.0+build2-0ubuntu0.21.10.1
released
jammy
Fixed 1:91.7.0+build2-0ubuntu1
released
kinetic
Fixed 1:91.7.0+build2-0ubuntu1
released
lunar
Fixed 1:91.7.0+build2-0ubuntu1
released
mantic
Fixed 1:91.7.0+build2-0ubuntu1
released
noble
Fixed 1:91.7.0+build2-0ubuntu1
released
trusty
dne
xenial
ignored
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
MozillaFirefox
suse enterprise desktop 15 SP3
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP4
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP5
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP6
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP7
91.7.0-152.22.1
fixed
suse enterprise sap 12 SP3
91.7.0-112.95.1
fixed
suse enterprise sap 12 SP4
91.7.0-112.95.1
fixed
suse enterprise sap 12 SP5
91.7.0-112.95.1
fixed
suse enterprise sap 15
91.7.0-150.24.1
fixed
suse enterprise sap 15 SP1
91.7.0-150.24.1
fixed
suse enterprise sap 15 SP3
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP4
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP5
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP6
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP7
91.7.0-152.22.1
fixed
suse enterprise server 12 SP2
91.7.0-112.95.1
fixed
suse enterprise server 12 SP3
91.7.0-112.95.1
fixed
suse enterprise server 12 SP4
91.7.0-112.95.1
fixed
suse enterprise server 12 SP5
91.7.0-112.95.1
fixed
suse enterprise server 15
91.7.0-150.24.1
fixed
suse enterprise server 15 SP1
91.7.0-150.24.1
fixed
suse enterprise server 15 SP2
91.7.0-152.22.1
fixed
suse enterprise server 15 SP3
91.7.0-152.22.1
fixed
suse enterprise server 15 SP4
91.7.0-152.22.1
fixed
suse enterprise server 15 SP5
91.7.0-152.22.1
fixed
suse enterprise server 15 SP6
91.7.0-152.22.1
fixed
suse enterprise server 15 SP7
91.7.0-152.22.1
fixed
MozillaFirefox-devel
suse enterprise desktop 15 SP3
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP4
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP5
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP6
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP7
91.7.0-152.22.1
fixed
suse enterprise sap 12 SP3
91.7.0-112.95.1
fixed
suse enterprise sap 12 SP4
91.7.0-112.95.1
fixed
suse enterprise sap 12 SP5
91.7.0-112.95.1
fixed
suse enterprise sap 15
91.7.0-150.24.1
fixed
suse enterprise sap 15 SP1
91.7.0-150.24.1
fixed
suse enterprise sap 15 SP3
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP4
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP5
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP6
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP7
91.7.0-152.22.1
fixed
suse enterprise server 12 SP2
91.7.0-112.95.1
fixed
suse enterprise server 12 SP3
91.7.0-112.95.1
fixed
suse enterprise server 12 SP4
91.7.0-112.95.1
fixed
suse enterprise server 12 SP5
91.7.0-112.95.1
fixed
suse enterprise server 15
91.7.0-150.24.1
fixed
suse enterprise server 15 SP1
91.7.0-150.24.1
fixed
suse enterprise server 15 SP2
91.7.0-152.22.1
fixed
suse enterprise server 15 SP3
91.7.0-152.22.1
fixed
suse enterprise server 15 SP4
91.7.0-152.22.1
fixed
suse enterprise server 15 SP5
91.7.0-152.22.1
fixed
suse enterprise server 15 SP6
91.7.0-152.22.1
fixed
suse enterprise server 15 SP7
91.7.0-152.22.1
fixed
MozillaFirefox-translations-common
suse enterprise desktop 15 SP3
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP4
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP5
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP6
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP7
91.7.0-152.22.1
fixed
suse enterprise sap 12 SP3
91.7.0-112.95.1
fixed
suse enterprise sap 12 SP4
91.7.0-112.95.1
fixed
suse enterprise sap 12 SP5
91.7.0-112.95.1
fixed
suse enterprise sap 15
91.7.0-150.24.1
fixed
suse enterprise sap 15 SP1
91.7.0-150.24.1
fixed
suse enterprise sap 15 SP3
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP4
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP5
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP6
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP7
91.7.0-152.22.1
fixed
suse enterprise server 12 SP2
91.7.0-112.95.1
fixed
suse enterprise server 12 SP3
91.7.0-112.95.1
fixed
suse enterprise server 12 SP4
91.7.0-112.95.1
fixed
suse enterprise server 12 SP5
91.7.0-112.95.1
fixed
suse enterprise server 15
91.7.0-150.24.1
fixed
suse enterprise server 15 SP1
91.7.0-150.24.1
fixed
suse enterprise server 15 SP2
91.7.0-152.22.1
fixed
suse enterprise server 15 SP3
91.7.0-152.22.1
fixed
suse enterprise server 15 SP4
91.7.0-152.22.1
fixed
suse enterprise server 15 SP5
91.7.0-152.22.1
fixed
suse enterprise server 15 SP6
91.7.0-152.22.1
fixed
suse enterprise server 15 SP7
91.7.0-152.22.1
fixed
MozillaFirefox-translations-other
suse enterprise desktop 15 SP3
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP4
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP5
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP6
91.7.0-152.22.1
fixed
suse enterprise desktop 15 SP7
91.7.0-152.22.1
fixed
suse enterprise sap 15
91.7.0-150.24.1
fixed
suse enterprise sap 15 SP1
91.7.0-150.24.1
fixed
suse enterprise sap 15 SP3
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP4
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP5
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP6
91.7.0-152.22.1
fixed
suse enterprise sap 15 SP7
91.7.0-152.22.1
fixed
suse enterprise server 15
91.7.0-150.24.1
fixed
suse enterprise server 15 SP1
91.7.0-150.24.1
fixed
suse enterprise server 15 SP2
91.7.0-152.22.1
fixed
suse enterprise server 15 SP3
91.7.0-152.22.1
fixed
suse enterprise server 15 SP4
91.7.0-152.22.1
fixed
suse enterprise server 15 SP5
91.7.0-152.22.1
fixed
suse enterprise server 15 SP6
91.7.0-152.22.1
fixed
suse enterprise server 15 SP7
91.7.0-152.22.1
fixed
MozillaThunderbird
suse enterprise desktop 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP7
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP7
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP7
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP7
91.7.0-150200.8.62.7
fixed
MozillaThunderbird-translations-common
suse enterprise desktop 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP7
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP7
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP7
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP7
91.7.0-150200.8.62.7
fixed
MozillaThunderbird-translations-other
suse enterprise desktop 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise desktop 15 SP7
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise sap 15 SP7
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise server 15 SP7
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP3
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP4
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP5
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP6
91.7.0-150200.8.62.7
fixed
suse enterprise workstation 15 SP7
91.7.0-150200.8.62.7
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
firefox
RHEL 7
0:91.7.0-3.el7_9
fixed
thunderbird
RHEL 7
0:91.7.0-2.el7_9
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1752979
https://www.mozilla.org/security/advisories/mfsa2022-10/
https://www.mozilla.org/security/advisories/mfsa2022-11/
https://www.mozilla.org/security/advisories/mfsa2022-12/
https://bugzilla.mozilla.org/show_bug.cgi?id=1752979
https://www.mozilla.org/security/advisories/mfsa2022-10/
https://www.mozilla.org/security/advisories/mfsa2022-11/
https://www.mozilla.org/security/advisories/mfsa2022-12/