Medium 6.5Published Jul 10, 2025

CVE-2025-6395Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()

Updated under an hour ago (Oct 28, 2026, 2:30 AM ET)

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It affects Red Hat Enterprise Linux 10 and 9 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Red Hat Enterprise Linux 10

Exploited in the last 30 days

A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Not yet received
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	from 0:3.8.9-9.el10_0.14 not affected	CNA record
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions redhat:rhel_e4s	from 0:3.7.6-21.el9_2.4 not affected	CNA record
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support redhat:rhel_eus	from 0:3.8.3-4.el9_4.4 not affected	CNA record
Red Hat Red Hat Ceph Storage 7 redhat:ceph_storage	from 7 not affected	CNA record
Red Hat Red Hat Discovery 2 redhat:discovery	from 2.3.0-1760554384 not affected	CNA record
Red Hat Red Hat Insights proxy 1.5 redhat:insights_proxy	from 1.5.7-1759331989 not affected	CNA record
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift	4	CNA record
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.5	CISA ADP

References

References

https://access.redhat.com/errata/RHSA-2025:16115	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2025:16116	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2025:17181	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2025:17348	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2025:17361	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2025:17415	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2025:19088	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2025:22529	vendor-advisory, x-refsource-redhat
https://access.redhat.com/security/cve/CVE-2025-6395	vdb-entry, x-refsource-redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2376755	issue-tracking, x-refsource-redhat
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.