DescriptionThe gnome-shell plugin 3.4.1 in GNOME allows remote attackers to force the download and installation of arbitrary extensions from via a crafted web page.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnome-shell (PTS)stretch3.22.3-3vulnerable
stretch (security)3.22.3-3+deb9u1vulnerable
bullseye, sid3.38.4-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


I don't see much of a problem here, if you install from a repo, you need to trust it
As far as I can see there is still a yes/no prompt for the user. I suggest unfixed unimportant. -- helmut

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