Descriptiongnome-pty-helper in GNOME libzvt2 and libvte4 allows local users to spoof the logon hostname via a modified DISPLAY environment variable. NOTE: the severity of this issue has been disputed.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs329156, 330907

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
vte (PTS)sid, trixie, buster, bookworm, bullseye1:0.28.2-6vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


Not considered a security problem, see #329156

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