WID-SEC-W-2026-1933
Vulnerability from csaf_certbund - Published: 2026-06-15 22:00 - Updated: 2026-09-28 22:00Summary
FreeRDP: Mehrere Schwachstellen
Severity
Hoch
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: FreeRDP ist eine freie Implementierung des Remote Desktop Protocol (RDP).
Angriff: Ein Angreifer kann mehrere Schwachstellen in FreeRDP ausnutzen,um nicht näher spezifizierte Auswirkungen zu verursachen, potenziell beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.
Betroffene Betriebssysteme: - Sonstiges
- UNIX
- Windows
Affected products
Known affected
4 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 FreeRDP <3.27.0
Open Source / FreeRDP
|
<3.27.0 |
Affected products
Known affected
4 products, the same list as for
CVE-2026-55191
Affected products
Known affected
4 products, the same list as for
CVE-2026-55191
Affected products
Known affected
4 products, the same list as for
CVE-2026-55191
Affected products
Known affected
4 products, the same list as for
CVE-2026-55191
Affected products
Known affected
4 products, the same list as for
CVE-2026-55191
References
39 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"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": "FreeRDP ist eine freie Implementierung des Remote Desktop Protocol (RDP).",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in FreeRDP ausnutzen,um nicht n\u00e4her spezifizierte Auswirkungen zu verursachen, potenziell beliebigen Code auszuf\u00fchren, Sicherheitsma\u00dfnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.",
"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-2026-1933 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1933.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1933 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1933"
},
{
"category": "external",
"summary": "FreeRDP Release Notes vom 2026-06-15",
"url": "https://www.freerdp.com/2026/06/15/3_27_0-release"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-5c5v-f78v-h2f6 vom 2026-06-15",
"url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5c5v-f78v-h2f6"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-7rp4-66mc-j9vx vom 2026-06-15",
"url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7rp4-66mc-j9vx"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-9gxm-3mf5-f5cx vom 2026-06-15",
"url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9gxm-3mf5-f5cx"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-vx73-w5q6-7jqr vom 2026-06-15",
"url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vx73-w5q6-7jqr"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-vx73-w5q6-7jqr vom 2026-06-15",
"url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3mmf-qh4f-frm6"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:61378 vom 2026-08-31",
"url": "https://access.redhat.com/errata/RHSA-2026:61378"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:61379 vom 2026-09-01",
"url": "https://errata.build.resf.org/RLSA-2026:61379"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:61378 vom 2026-09-01",
"url": "https://errata.build.resf.org/RLSA-2026:61378"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-61379 vom 2026-09-02",
"url": "https://linux.oracle.com/errata/ELSA-2026-61379-0.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:62571 vom 2026-09-02",
"url": "https://access.redhat.com/errata/RHSA-2026:62571"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:62571 vom 2026-09-03",
"url": "https://errata.build.resf.org/RLSA-2026:62571"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-61378 vom 2026-09-04",
"url": "https://linux.oracle.com/errata/ELSA-2026-61378-0.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-62571 vom 2026-09-03",
"url": "https://linux.oracle.com/errata/ELSA-2026-62571-0.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:65855 vom 2026-09-09",
"url": "https://access.redhat.com/errata/RHSA-2026:65855"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:66349 vom 2026-09-10",
"url": "https://access.redhat.com/errata/RHSA-2026:66349"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:66281 vom 2026-09-10",
"url": "https://access.redhat.com/errata/RHSA-2026:66281"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:66282 vom 2026-09-10",
"url": "https://access.redhat.com/errata/RHSA-2026:66282"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:66347 vom 2026-09-10",
"url": "https://access.redhat.com/errata/RHSA-2026:66347"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-66347 vom 2026-09-10",
"url": "https://linux.oracle.com/errata/ELSA-2026-66347-0.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:66347 vom 2026-09-11",
"url": "https://errata.build.resf.org/RLSA-2026:66347"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:66349 vom 2026-09-11",
"url": "https://errata.build.resf.org/RLSA-2026:66349"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-66349 vom 2026-09-11",
"url": "https://linux.oracle.com/errata/ELSA-2026-66349-0.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:68706 vom 2026-09-17",
"url": "https://access.redhat.com/errata/RHSA-2026:68706"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:68707 vom 2026-09-17",
"url": "https://access.redhat.com/errata/RHSA-2026:68707"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:69387 vom 2026-09-22",
"url": "https://access.redhat.com/errata/RHSA-2026:69387"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:69387 vom 2026-09-23",
"url": "https://errata.build.resf.org/RLSA-2026:69387"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:71388 vom 2026-09-24",
"url": "https://access.redhat.com/errata/RHSA-2026:71388"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:71390 vom 2026-09-24",
"url": "https://access.redhat.com/errata/RHSA-2026:71390"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-69387 vom 2026-09-23",
"url": "https://linux.oracle.com/errata/ELSA-2026-69387.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:71387 vom 2026-09-24",
"url": "https://access.redhat.com/errata/RHSA-2026:71387"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:73027 vom 2026-09-29",
"url": "https://access.redhat.com/errata/RHSA-2026:73027"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:72481 vom 2026-09-28",
"url": "https://access.redhat.com/errata/RHSA-2026:72481"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:72479 vom 2026-09-28",
"url": "https://access.redhat.com/errata/RHSA-2026:72479"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:73026 vom 2026-09-29",
"url": "https://access.redhat.com/errata/RHSA-2026:73026"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:73068 vom 2026-09-29",
"url": "https://access.redhat.com/errata/RHSA-2026:73068"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-68707 vom 2026-09-29",
"url": "https://linux.oracle.com/errata/ELSA-2026-68707.html"
}
],
"source_lang": "en-US",
"title": "FreeRDP: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-09-28T22:00:00.000+00:00",
"generator": {
"date": "2026-09-29T11:11:36.174+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-1933",
"initial_release_date": "2026-06-15T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-06-15T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-08-19T22:00:00.000+00:00",
"number": "2",
"summary": "CVE-Nummern erg\u00e4nzt"
},
{
"date": "2026-08-31T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Red Hat und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-09-01T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Rocky Enterprise Software Foundation und Oracle Linux aufgenommen"
},
{
"date": "2026-09-02T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-09-03T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-09-08T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-09-09T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-09-10T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
},
{
"date": "2026-09-13T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Rocky Enterprise Software Foundation und Oracle Linux aufgenommen"
},
{
"date": "2026-09-17T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-09-21T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-09-22T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-09-23T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
},
{
"date": "2026-09-28T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Red Hat aufgenommen"
}
],
"status": "final",
"version": "15"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c3.27.0",
"product": {
"name": "Open Source FreeRDP \u003c3.27.0",
"product_id": "T055418"
}
},
{
"category": "product_version",
"name": "3.27.0",
"product": {
"name": "Open Source FreeRDP 3.27.0",
"product_id": "T055418-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:freerdp:freerdp:3.27.0"
}
}
}
],
"category": "product_name",
"name": "FreeRDP"
}
],
"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-2026-55191",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T055418"
]
},
"release_date": "2026-06-15T22:00:00.000+00:00",
"title": "CVE-2026-55191"
},
{
"cve": "CVE-2026-55192",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T055418"
]
},
"release_date": "2026-06-15T22:00:00.000+00:00",
"title": "CVE-2026-55192"
},
{
"cve": "CVE-2026-55193",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T055418"
]
},
"release_date": "2026-06-15T22:00:00.000+00:00",
"title": "CVE-2026-55193"
},
{
"cve": "CVE-2026-55194",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T055418"
]
},
"release_date": "2026-06-15T22:00:00.000+00:00",
"title": "CVE-2026-55194"
},
{
"cve": "CVE-2026-55564",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T055418"
]
},
"release_date": "2026-06-15T22:00:00.000+00:00",
"title": "CVE-2026-55564"
},
{
"cve": "CVE-2026-55648",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T055418"
]
},
"release_date": "2026-06-15T22:00:00.000+00:00",
"title": "CVE-2026-55648"
}
]
}
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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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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