Descriptiongnuplot 5.5 is affected by double free when executing print_set_output. This may result in context-dependent arbitrary code execution.
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
gnuplot (PTS)stretch5.0.5+dfsg1-6+deb9u1vulnerable
bullseye, sid5.4.1+dfsg1-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

No security impact, gnuplot can execute arbitrary commands and need to
come from a trusted source, see (added in 5.2.6).

Search for package or bug name: Reporting problems