# CVE-2025-31179: Gnuplot: gnuplot segmentation fault on xstrftime

Status: published. Published: 2025-03-27. Updated: 2026-11-05.

A flaw was found in gnuplot. The xstrftime() function may lead to a segmentation fault, causing a system crash.

## Remediation

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

## Affected products and versions

-  /  (gnuplot): ≥ 0; < 6.0 (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: 0.20% as of 2026-11-05; percentile 9.79%

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

- Weaknesses: CWE-476

## Exploit evidence

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

## References

- https://access.redhat.com/security/cve/CVE-2025-31179 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2355340 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://sourceforge.net/p/gnuplot/bugs/2779/ (CNA: redhat)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2025-31179; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2025-31179; retrieved 2026-11-05; source updated Not reported

Revision: 5cdcc2d32b49d9d91d2f820cf5a87f13a04a342d765013600271864a92659dca

Canonical: https://y2.dev/cve/CVE-2025-31179

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