CVE-2020-25559

HIGHNVD 7.87.8—

7.8

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

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 60.6%
KEV: Not listed

Published

September 16, 2020

Last Modified

August 14, 2025

References (2)

cve@mitrehttps://sourceforge.net/p/gnuplot/bugs/2312/
af854a3a-2127-422b-91ae-364da2661108https://sourceforge.net/p/gnuplot/bugs/2312/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-415Double Free

Data Freshness Timeline

(refreshed 11× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:48 UTCepss_batch
2026-05-23 07:46 UTCEG score recompute
2026-05-23 07:46 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2020-25559?

CVE-2020-25559 is a high vulnerability published on September 16, 2020. gnuplot 5.5 is affected by double free when executing printsetoutput. This may result in context-dependent arbitrary code execution.

When was CVE-2020-25559 disclosed?

CVE-2020-25559 was first published in the National Vulnerability Database on September 16, 2020, with the most recent update on August 14, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-25559 actively exploited?

CVE-2020-25559 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-25559?

CVE-2020-25559 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2020-25559?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-25559, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-25559

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-25559?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)