WID-SEC-W-2026-2039
Vulnerability from csaf_certbund - Published: 2026-06-22 22:00 - Updated: 2026-08-02 22:00Summary
OpenSSH: Mehrere Schwachstellen
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: OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.
Angriff: Ein Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um einen Denial of Service Angriff durchzuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.
Betroffene Betriebssysteme: - Sonstiges
- UNIX
- Windows
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
RESF Rocky Linux
RESF
|
cpe:/o:resf:rocky_linux:-
|
— | |
|
Open Source OpenSSH 9.9p1-22.el10_2
Open Source / OpenSSH
|
cpe:/a:openbsd:openssh:9.9p1-22.el10_2
|
9.9p1-22.el10_2 | |
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Fedora Linux
Fedora
|
cpe:/o:fedoraproject:fedora:-
|
— |
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
RESF Rocky Linux
RESF
|
cpe:/o:resf:rocky_linux:-
|
— | |
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source OpenSSH 10.2p1-10.1.hum1
Open Source / OpenSSH
|
cpe:/a:openbsd:openssh:10.2p1-10.1.hum1
|
10.2p1-10.1.hum1 | |
|
Fedora Linux
Fedora
|
cpe:/o:fedoraproject:fedora:-
|
— |
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
RESF Rocky Linux
RESF
|
cpe:/o:resf:rocky_linux:-
|
— | |
|
Open Source OpenSSH 9.9p1-22.el10_2
Open Source / OpenSSH
|
cpe:/a:openbsd:openssh:9.9p1-22.el10_2
|
9.9p1-22.el10_2 | |
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Fedora Linux
Fedora
|
cpe:/o:fedoraproject:fedora:-
|
— |
References
19 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": "OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren, Sicherheitsma\u00dfnahmen zu umgehen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Sonstiges\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-2026-2039 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2039.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2039 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2039"
},
{
"category": "external",
"summary": "GitHub Advisory Database vom 2026-06-22",
"url": "https://github.com/advisories/GHSA-28F3-55MQ-PP68"
},
{
"category": "external",
"summary": "GitHub Advisory Database vom 2026-06-22",
"url": "https://github.com/advisories/GHSA-5MX2-7G4J-9M39"
},
{
"category": "external",
"summary": "GitHub Advisory Database vom 2026-06-22",
"url": "https://github.com/advisories/GHSA-WCVF-3X75-J4C6"
},
{
"category": "external",
"summary": "RedHat Bugzilla vom 2026-06-22",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2462351"
},
{
"category": "external",
"summary": "RedHat Bugzilla vom 2026-06-22",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2462493"
},
{
"category": "external",
"summary": "RedHat Bugzilla vom 2026-06-22",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2462250"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-A2C682A975 vom 2026-07-07",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-a2c682a975"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-95B955A09B vom 2026-07-07",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-95b955a09b"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-A80275B42D vom 2026-07-07",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-a80275b42d"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:47757 vom 2026-07-29",
"url": "https://access.redhat.com/errata/RHSA-2026:47757"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:47755 vom 2026-07-30",
"url": "https://access.redhat.com/errata/RHSA-2026:47755"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:47756 vom 2026-07-30",
"url": "https://access.redhat.com/errata/RHSA-2026:47756"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-47757 vom 2026-07-30",
"url": "https://linux.oracle.com/errata/ELSA-2026-47757.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:47757 vom 2026-07-30",
"url": "https://errata.build.resf.org/RLSA-2026:47757"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:47756 vom 2026-07-30",
"url": "https://errata.build.resf.org/RLSA-2026:47756"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:47755 vom 2026-07-30",
"url": "https://errata.build.resf.org/RLSA-2026:47755"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-47755 vom 2026-08-01",
"url": "http://linux.oracle.com/errata/ELSA-2026-47755.html"
}
],
"source_lang": "en-US",
"title": "OpenSSH: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-08-02T22:00:00.000+00:00",
"generator": {
"date": "2026-08-03T07:17:59.151+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2039",
"initial_release_date": "2026-06-22T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-06-22T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-07-07T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Fedora aufgenommen"
},
{
"date": "2026-07-28T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-29T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-30T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Oracle Linux und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-08-02T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Oracle Linux aufgenommen"
}
],
"status": "final",
"version": "6"
}
},
"product_tree": {
"branches": [
{
"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",
"name": "10.2p1-10.1.hum1",
"product": {
"name": "Open Source OpenSSH 10.2p1-10.1.hum1",
"product_id": "T055691",
"product_identification_helper": {
"cpe": "cpe:/a:openbsd:openssh:10.2p1-10.1.hum1"
}
}
},
{
"category": "product_version",
"name": "9.9p1-22.el10_2",
"product": {
"name": "Open Source OpenSSH 9.9p1-22.el10_2",
"product_id": "T055692",
"product_identification_helper": {
"cpe": "cpe:/a:openbsd:openssh:9.9p1-22.el10_2"
}
}
}
],
"category": "product_name",
"name": "OpenSSH"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T056236",
"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": "T054581",
"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"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-55653",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"T055692",
"67646",
"74185"
]
},
"release_date": "2026-06-22T22:00:00.000+00:00",
"title": "CVE-2026-55653"
},
{
"cve": "CVE-2026-55654",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T055691",
"74185"
]
},
"release_date": "2026-06-22T22:00:00.000+00:00",
"title": "CVE-2026-55654"
},
{
"cve": "CVE-2026-55655",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"T055692",
"67646",
"74185"
]
},
"release_date": "2026-06-22T22:00:00.000+00:00",
"title": "CVE-2026-55655"
}
]
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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