Medium

Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()

Type: advisorySource: Official CVE List1 source record

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

Announced 10 Jul 2025Group revision 1

CVE-2025-6395

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2025-6395

Red Hat Enterprise Linux 10

Source reference: /containers/cna/affected/1/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 8

Source reference: /containers/cna/affected/2/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 8

Source reference: /containers/cna/affected/3/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 9

Source reference: /containers/cna/affected/4/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 9

Source reference: /containers/cna/affected/5/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Source reference: /containers/cna/affected/6/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 9.4 Extended Update Support

Source reference: /containers/cna/affected/7/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Ceph Storage 7

Source reference: /containers/cna/affected/8/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Discovery 2

Source reference: /containers/cna/affected/9/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Insights proxy 1.5

Source reference: /containers/cna/affected/10/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 6

Source reference: /containers/cna/affected/11/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 7

Source reference: /containers/cna/affected/12/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4

Source reference: /containers/cna/affected/13/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4

Source reference: /containers/cna/affected/14/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "3.8.10",
        "versionType": "semver"
      }
    ],
    "packageName": "libgnutls",
    "collectionURL": "https://www.gnutls.org/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.0"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:3.8.9-9.el10_0.14",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "gnutls",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream",
      "cpe:/o:redhat:enterprise_linux:8::baseos"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:3.6.16-8.el8_10.4",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "gnutls",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream",
      "cpe:/o:redhat:enterprise_linux:8::baseos"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:3.6.16-8.el8_10.4",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "gnutls",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream",
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:3.8.3-6.el9_6.2",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "gnutls",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream",
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:3.8.3-6.el9_6.2",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "gnutls",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:rhel_e4s:9.2::appstream",
      "cpe:/o:redhat:rhel_e4s:9.2::baseos"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:3.7.6-21.el9_2.4",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "gnutls",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:rhel_eus:9.4::appstream",
      "cpe:/o:redhat:rhel_eus:9.4::baseos"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:3.8.3-4.el9_4.4",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "gnutls",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:ceph_storage:7::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Ceph Storage 7",
    "versions": [
      {
        "status": "unaffected",
        "version": "7",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "rhceph/rhceph-7-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:discovery:2::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Discovery 2",
    "versions": [
      {
        "status": "unaffected",
        "version": "2.3.0-1760554384",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "discovery/discovery-ui-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:insights_proxy:1.5::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Insights proxy 1.5",
    "versions": [
      {
        "status": "unaffected",
        "version": "1.5.7-1759331989",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "insights-proxy/insights-proxy-container-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "packageName": "gnutls",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "packageName": "gnutls",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "packageName": "openshift/ose-rhel-coreos-8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "packageName": "openshift/ose-rhel-coreos-9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  }
]

Related CVEs: CVE-2025-6395
Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event: #27108 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 07:20:11 GMT
Publisher date: Thu, 10 Jul 2025 15:20:46 GMT

Read the original announcement

Revision history

25 Oct 2026CVE-2025-6395 · Revision 1Source updated