WID-SEC-W-2026-0830
Vulnerability from csaf_certbund - Published: 2026-03-23 23:00 - Updated: 2026-03-23 23:00Summary
Red Hat Undertow: Schwachstelle ermöglicht 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: Undertow ist ein Webserver, der als leichtgewichtige und flexible Lösung für moderne Webanwendungen konzipiert ist.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Undertow ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux
Affected products
Known affected
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat Undertow
Red Hat
|
cpe:/a:redhat:undertow:-
|
— |
References
5 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": "Undertow ist ein Webserver, der als leichtgewichtige und flexible L\u00f6sung f\u00fcr moderne Webanwendungen konzipiert ist.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Undertow ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux",
"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-2026-0830 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0830.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-0830 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0830"
},
{
"category": "external",
"summary": "GitHub Advisory Database vom 2026-03-23",
"url": "https://github.com/advisories/GHSA-3x3v-w654-m28m"
},
{
"category": "external",
"summary": "Red Hat Bugzilla vom 2026-03-23",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2443010%2520"
},
{
"category": "external",
"summary": "Red Hat Customer Portal",
"url": "https://access.redhat.com/security/cve/cve-2026-3260"
}
],
"source_lang": "en-US",
"title": "Red Hat Undertow: Schwachstelle erm\u00f6glicht Denial of Service",
"tracking": {
"current_release_date": "2026-03-23T23:00:00.000+00:00",
"generator": {
"date": "2026-03-24T11:40:51.571+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.5.0"
}
},
"id": "WID-SEC-W-2026-0830",
"initial_release_date": "2026-03-23T23:00:00.000+00:00",
"revision_history": [
{
"date": "2026-03-23T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Undertow",
"product": {
"name": "Red Hat Undertow",
"product_id": "388239",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:undertow:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-3260",
"product_status": {
"known_affected": [
"388239"
]
},
"release_date": "2026-03-23T23:00:00.000+00:00",
"title": "CVE-2026-3260"
}
]
}
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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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