cbcvebase.
CVE-2022-26387
published 2022-12-22

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…

PriorityP339high7.5CVSS 3.1
AVNACHPRNUIRSUCHIHAH
EPSS
0.66%
46.9th percentile
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.

Affected

22 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 98.0-1 (sid)firefox 98.0-1 (sid)
debianfirefox-esr< firefox 98.0-1 (sid)firefox 98.0-1 (sid)
debianthunderbird< firefox 98.0-1 (sid)firefox 98.0-1 (sid)
mozillafirefox< 98.098.0
mozillafirefox
mozillafirefox>= 0 < 98.0.1+build2-0ubuntu0.18.04.198.0.1+build2-0ubuntu0.18.04.1
mozillafirefox>= 0 < 98.0+build3-0ubuntu0.18.04.298.0+build3-0ubuntu0.18.04.2
mozillafirefox>= 0 < 98.0.2+build1-0ubuntu0.18.04.198.0.2+build1-0ubuntu0.18.04.1
mozillafirefox>= 0 < 98.0.1+build2-0ubuntu0.20.04.198.0.1+build2-0ubuntu0.20.04.1
mozillafirefox>= 0 < 98.0+build3-0ubuntu0.20.04.298.0+build3-0ubuntu0.20.04.2
mozillafirefox>= 0 < 98.0.2+build1-0ubuntu0.20.04.198.0.2+build1-0ubuntu0.20.04.1
mozillafirefox>= unspecified < 9898
mozillafirefox_esr< 91.791.7
mozillafirefox_esr>= unspecified < 91.791.7
mozillathunderbird< 91.791.7
mozillathunderbird>= 0 < 1:91.7.0-2~deb11u11:91.7.0-2~deb11u1
mozillathunderbird>= 0 < 1:91.7.0-11:91.7.0-1
mozillathunderbird>= 0 < 1:91.7.0-11:91.7.0-1
mozillathunderbird>= 0 < 1:91.7.0-11:91.7.0-1
mozillathunderbird>= 0 < 1:91.7.0+build2-0ubuntu0.18.04.11:91.7.0+build2-0ubuntu0.18.04.1
mozillathunderbird>= 0 < 1:91.7.0+build2-0ubuntu0.20.04.11:91.7.0+build2-0ubuntu0.20.04.1
mozillathunderbird>= unspecified < 91.791.7

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
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