# CVE-2025-3359: Gnuplot: segmentation fault via io_str_init_static_internal function

Status: published. Published: 2025-04-07. Updated: 2026-11-05.

A flaw was found in GNUPlot. A segmentation fault via IO_str_init_static_internal may jeopardize the environment.

## Remediation

- workaround: Currently, no mitigation is available for this vulnerability. (source: CNA: redhat)

## Affected products and versions

-  /  (gnuplot): ≥ 0; < 6.1 (affected, semver). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 6 (gnuplot): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 (gnuplot): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (gnuplot): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 6.2 (medium); CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.21% as of 2026-11-05; percentile 11.06%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-754

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/security/cve/CVE-2025-3359 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2357749 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://sourceforge.net/p/gnuplot/bugs/2781/ (CNA: redhat)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2025-3359; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2025-3359; retrieved 2026-11-05; source updated Not reported

Revision: 7ac9dedb3731796bd31eb9f9f42a5d1d2e9edb2cd64f6f1827c61186c6fd8bce

Canonical: https://y2.dev/cve/CVE-2025-3359

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