What’s Vulnerable › Vulnerabilities

CVE-2025-31177: Gnuplot: gnuplot heap-buffer overflow on utf8_copy_one

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-07 · updated 2026-06-26
• Weakness: CWE-122

Description

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

Affected products

• Gnuplot: 6.1.0

References

• https://access.redhat.com/security/cve/CVE-2025-31177
• https://bugzilla.redhat.com/show_bug.cgi?id=2355342
• https://sourceforge.net/p/gnuplot/bugs/2756/

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