FKIE_CVE-2025-6395
Vulnerability from fkie_nvd - Published: 2025-07-10 16:15 - Updated: 2026-06-17 10:01
Severity
Summary
A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"collectionURL": "https://www.gnutls.org/",
"defaultStatus": "unaffected",
"packageName": "libgnutls",
"versions": [
{
"lessThan": "3.8.10",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.0"
],
"defaultStatus": "affected",
"packageName": "gnutls",
"product": "Red Hat Enterprise Linux 10",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:3.8.9-9.el10_0.14",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::appstream",
"cpe:/o:redhat:enterprise_linux:8::baseos"
],
"defaultStatus": "affected",
"packageName": "gnutls",
"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:3.6.16-8.el8_10.4",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::appstream",
"cpe:/o:redhat:enterprise_linux:8::baseos"
],
"defaultStatus": "affected",
"packageName": "gnutls",
"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:3.6.16-8.el8_10.4",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:9::baseos",
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"packageName": "gnutls",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:3.8.3-6.el9_6.2",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:9::baseos",
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"packageName": "gnutls",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:3.8.3-6.el9_6.2",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:rhel_e4s:9.2::baseos",
"cpe:/a:redhat:rhel_e4s:9.2::appstream"
],
"defaultStatus": "affected",
"packageName": "gnutls",
"product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:3.7.6-21.el9_2.4",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:rhel_eus:9.4::appstream",
"cpe:/o:redhat:rhel_eus:9.4::baseos"
],
"defaultStatus": "affected",
"packageName": "gnutls",
"product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:3.8.3-4.el9_4.4",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:ceph_storage:7::el9"
],
"defaultStatus": "affected",
"packageName": "rhceph/rhceph-7-rhel9",
"product": "Red Hat Ceph Storage 7",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "sha256:4d2f9dc5b2b33ee1c77bbfabcbbb9f4d94d343b04c4de2e4f8b3b81a1f0fd2fe",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:discovery:2::el9"
],
"defaultStatus": "affected",
"packageName": "discovery/discovery-ui-rhel9",
"product": "Red Hat Discovery 2",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "sha256:435ba9959b793d46a63a74c343bb8c3ff68350496afec12cc5e894dfc40b7648",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:insights_proxy:1.5::el9"
],
"defaultStatus": "affected",
"packageName": "insights-proxy/insights-proxy-container-rhel9",
"product": "Red Hat Insights proxy 1.5",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "sha256:4ca38b33efec0d2dd17a8fd822a7c18281810676ceabb0c1db90953cb91cd5ea",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:6"
],
"defaultStatus": "unknown",
"packageName": "gnutls",
"product": "Red Hat Enterprise Linux 6",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
],
"defaultStatus": "unknown",
"packageName": "gnutls",
"product": "Red Hat Enterprise Linux 7",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift:4"
],
"defaultStatus": "affected",
"packageName": "rhcos",
"product": "Red Hat OpenShift Container Platform 4",
"vendor": "Red Hat"
}
],
"source": "secalert@redhat.com"
},
{
"affectedData": [
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.5",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.5",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.5",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.5",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.5",
"versionType": "custom"
}
]
}
],
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite()."
},
{
"lang": "es",
"value": "Se encontr\u00f3 una falla de desreferencia de puntero nulo en el software GnuTLS en _gnutls_figure_common_ciphersuite(). Al leer ciertas configuraciones de un archivo de plantilla, puede permitir que un atacante provoque una escritura de puntero nulo fuera de los l\u00edmites (OOB), lo que resulta en corrupci\u00f3n de memoria y una denegaci\u00f3n de servicio (DoS) que podr\u00eda colapsar el sistema."
}
],
"id": "CVE-2025-6395",
"lastModified": "2026-06-17T10:01:47.800",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 4.2,
"source": "secalert@redhat.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-6395",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-07-10T15:32:33.292878Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-07-10T16:15:25.110",
"references": [
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2025:16115"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2025:16116"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2025:17181"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2025:17348"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2025:17361"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2025:17415"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2025:19088"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2025:22529"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/security/cve/CVE-2025-6395"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376755"
},
{
"source": "secalert@redhat.com",
"url": "https://gitlab.com/gnutls/gnutls/-/issues/1718"
},
{
"source": "secalert@redhat.com",
"url": "https://lists.gnupg.org/pipermail/gnutls-help/2025-July/004883.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2025/07/11/3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00005.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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