CVE-2020-25559

Name: CVE-2020-25559
Creator: NVD / NIST
Published: 2020-09-16T13:15:11.253+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.56%

Last modified Jun 17, 2026

CVE-2020-25559 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. gnuplot 5.5 is affected by double free when executing print_set_output. This may result in context-dependent arbitrary code execution.. EPSS estimates a 1.56% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.56%

72.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Gnuplot	Gnuplot	5.5.0

References

https://sourceforge.net/p/gnuplot/bugs/2312/Exploit, Patch, Third Party Advisory
https://sourceforge.net/p/gnuplot/bugs/2312/Exploit, Patch, Third Party Advisory

Timeline

Published: Sep 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25559?

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

How severe is CVE-2020-25559?

CVE-2020-25559 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25559?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25559?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST