CVE-2025-6395Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()
Updated under an hour ago ()
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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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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 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
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 |
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
- https://access.redhat.com/errata/RHSA-2025:16115vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2025:16116vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2025:17181vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2025:17348vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2025:17361vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2025:17415vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2025:19088vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2025:22529vendor-advisory, x-refsource-redhat
- https://access.redhat.com/security/cve/CVE-2025-6395vdb-entry, x-refsource-redhat
- https://bugzilla.redhat.com/show_bug.cgi?id=2376755issue-tracking, x-refsource-redhat
- https://gitlab.com/gnutls/gnutls/-/issues/1718
- https://lists.gnupg.org/pipermail/gnutls-help/2025-July/004883.html
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.