How severe is CVE-2025-31177?

CVE-2025-31177 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-31177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-31177?

CVE-2025-31177 affects Gnuplot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-31177?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-31177 have an EU (EUVD) identifier?

Yes. CVE-2025-31177 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13933.

When was CVE-2025-31177 published?

CVE-2025-31177 was published on 2025-05-07 and last updated on 2026-06-26.

CVE-2025-31177

CVE-2025-31177 is a medium-severity vulnerability in Gnuplot with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13933
Weakness: CWE-122
Affected product: Gnuplot
Published: 2025-05-07
Last modified: 2026-06-26

Description

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

Frequently asked questions

What is CVE-2025-31177?: gnuplot is affected by a heap buffer overflow at function utf8_copy_one.
How severe is CVE-2025-31177?: CVE-2025-31177 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-31177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-31177?: CVE-2025-31177 affects Gnuplot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-31177?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31177 have an EU (EUVD) identifier?: Yes. CVE-2025-31177 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13933.
When was CVE-2025-31177 published?: CVE-2025-31177 was published on 2025-05-07 and last updated on 2026-06-26.

References

Affected products (1)

cpe:2.3:a:gnuplot:gnuplot:6.1.0:*:*:*:*:*:*:*

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