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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnuplot (PTS)buster5.2.6+dfsg1-1+deb10u1vulnerable
sid, trixie, bookworm5.4.4+dfsg1-2vulnerable

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).

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