CVE-2025-31177: Gnuplot

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

gnuplot is affected by a heap buffer overflow at function utf8_copy_one.

Affected products

• Gnuplot Gnuplot: version 6.1.0 only

Published 2025-05-07. Last modified 2026-06-26.