Medium severity · published Jul 10, 2025
CVE-2025-6395
Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()
6.5
CVSS
0.8%
EPSS
No
On KEV
Description
A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Ceph Storage 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Discovery 2 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9.4 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Insights proxy 1.5 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat OpenShift Container Platform 4 · Red Hat
All versions, or not specified · source: vendor
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.5; V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6395
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6395
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:16115
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:16116
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:17181
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:17348
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:17361
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:17415
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