WID-SEC-W-2026-0359
Vulnerability from csaf_certbund - Published: 2026-02-09 23:00 - Updated: 2026-04-09 22:00Summary
GnuTLS: Mehrere Schwachstellen ermöglichen Denial of Service
Severity
Mittel
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: GnuTLS (GNU Transport Layer Security Library) ist eine im Quelltext frei verfügbare Bibliothek, die Secure Sockets Layer (SSL) und Transport Layer Security (TLS) implementiert.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in GnuTLS ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux
- UNIX
- Windows
References
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "GnuTLS (GNU Transport Layer Security Library) ist eine im Quelltext frei verf\u00fcgbare Bibliothek, die Secure Sockets Layer (SSL) und Transport Layer Security (TLS) implementiert.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in GnuTLS ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX\n- Windows",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-0359 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0359.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-0359 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0359"
},
{
"category": "external",
"summary": "GnuTLS Security Advisories vom 2026-02-09",
"url": "https://gnutls.org/security-new.html"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-EF7170C9F6 vom 2026-02-10",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-ef7170c9f6"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-2B6035EE2B vom 2026-02-10",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-2b6035ee2b"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8043-1 vom 2026-02-16",
"url": "https://ubuntu.com/security/notices/USN-8043-1"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-6140 vom 2026-02-18",
"url": "https://lists.debian.org/debian-security-announce/2026/msg00049.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-4492 vom 2026-02-25",
"url": "https://lists.debian.org/debian-lts-announce/2026/02/msg00031.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:3477 vom 2026-03-02",
"url": "https://access.redhat.com/errata/RHSA-2026:3477"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-3477 vom 2026-03-02",
"url": "https://linux.oracle.com/errata/ELSA-2026-3477.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:3477 vom 2026-03-05",
"url": "https://errata.build.resf.org/RLSA-2026:3477"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:0829-1 vom 2026-03-05",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024630.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:4188 vom 2026-03-11",
"url": "https://access.redhat.com/errata/RHSA-2026:4188"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:4188 vom 2026-03-11",
"url": "https://errata.build.resf.org/RLSA-2026:4188"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:0862-1 vom 2026-03-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024672.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-4188 vom 2026-03-13",
"url": "http://linux.oracle.com/errata/ELSA-2026-4188.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-50149 vom 2026-03-13",
"url": "https://linux.oracle.com/errata/ELSA-2026-50149.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:4655 vom 2026-03-16",
"url": "https://access.redhat.com/errata/RHSA-2026:4655"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:20708-1 vom 2026-03-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024718.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:4943 vom 2026-03-18",
"url": "https://access.redhat.com/errata/RHSA-2026:4943"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:20654-1 vom 2026-03-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024756.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:5585 vom 2026-03-24",
"url": "https://access.redhat.com/errata/RHSA-2026:5585"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:5606 vom 2026-03-24",
"url": "https://access.redhat.com/errata/RHSA-2026:5606"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-5585 vom 2026-03-25",
"url": "https://linux.oracle.com/errata/ELSA-2026-5585.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:6341 vom 2026-04-01",
"url": "https://access.redhat.com/errata/RHSA-2026:6341"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:6630 vom 2026-04-06",
"url": "https://access.redhat.com/errata/RHSA-2026:6630"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:6618 vom 2026-04-06",
"url": "https://access.redhat.com/errata/RHSA-2026:6618"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:5585 vom 2026-04-07",
"url": "https://errata.build.resf.org/RLSA-2026:5585"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:6738 vom 2026-04-07",
"url": "https://access.redhat.com/errata/RHSA-2026:6738"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:6737 vom 2026-04-07",
"url": "https://access.redhat.com/errata/RHSA-2026:6737"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:20968-1 vom 2026-04-08",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025158.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:20962-1 vom 2026-04-08",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025161.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:20984-1 vom 2026-04-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025181.html"
}
],
"source_lang": "en-US",
"title": "GnuTLS: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
"tracking": {
"current_release_date": "2026-04-09T22:00:00.000+00:00",
"generator": {
"date": "2026-04-10T07:16:17.360+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.5.0"
}
},
"id": "WID-SEC-W-2026-0359",
"initial_release_date": "2026-02-09T23:00:00.000+00:00",
"revision_history": [
{
"date": "2026-02-09T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-02-10T23:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Fedora aufgenommen"
},
{
"date": "2026-02-16T23:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2026-02-18T23:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2026-02-24T23:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2026-03-01T23:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-03-02T23:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-03-04T23:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-03-05T23:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-03-10T23:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-03-11T23:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-03-12T23:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-03-16T23:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-03-18T23:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von SUSE und Red Hat aufgenommen"
},
{
"date": "2026-03-23T23:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-03-24T23:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-03-31T22:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-04-06T22:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von Red Hat und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-04-08T22:00:00.000+00:00",
"number": "19",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-04-09T22:00:00.000+00:00",
"number": "20",
"summary": "Neue Updates von SUSE und European Union Vulnerability Database aufgenommen"
}
],
"status": "final",
"version": "20"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Debian Linux",
"product": {
"name": "Debian Linux",
"product_id": "2951",
"product_identification_helper": {
"cpe": "cpe:/o:debian:debian_linux:-"
}
}
}
],
"category": "vendor",
"name": "Debian"
},
{
"branches": [
{
"category": "product_name",
"name": "Fedora Linux",
"product": {
"name": "Fedora Linux",
"product_id": "74185",
"product_identification_helper": {
"cpe": "cpe:/o:fedoraproject:fedora:-"
}
}
}
],
"category": "vendor",
"name": "Fedora"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c3.8.12",
"product": {
"name": "Open Source GnuTLS \u003c3.8.12",
"product_id": "T050670"
}
},
{
"category": "product_version",
"name": "3.8.12",
"product": {
"name": "Open Source GnuTLS 3.8.12",
"product_id": "T050670-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:gnu:gnutls:3.8.12"
}
}
}
],
"category": "product_name",
"name": "GnuTLS"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T004914",
"product_identification_helper": {
"cpe": "cpe:/o:oracle:linux:-"
}
}
}
],
"category": "vendor",
"name": "Oracle"
},
{
"branches": [
{
"category": "product_name",
"name": "RESF Rocky Linux",
"product": {
"name": "RESF Rocky Linux",
"product_id": "T032255",
"product_identification_helper": {
"cpe": "cpe:/o:resf:rocky_linux:-"
}
}
}
],
"category": "vendor",
"name": "RESF"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T002207",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2025-14831",
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646",
"T000126",
"T004914",
"T032255",
"T050670",
"74185"
]
},
"release_date": "2026-02-09T23:00:00.000+00:00",
"title": "CVE-2025-14831"
},
{
"cve": "CVE-2026-1584",
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646",
"T000126",
"T004914",
"T032255",
"T050670",
"74185"
]
},
"release_date": "2026-02-09T23:00:00.000+00:00",
"title": "CVE-2026-1584"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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