CVE-2020-25559: Gnuplot

High severity, CVSS 7.8. EPSS: 1.6% chance of exploitation in the next 30 days.

gnuplot 5.5 is affected by double free when executing print_set_output. This may result in context-dependent arbitrary code execution.

Affected products

• Gnuplot Gnuplot: version 5.5.0 only

Published 2020-09-16. Last modified 2026-06-17.