WID-SEC-W-2026-0207
Vulnerability from csaf_certbund - Published: 2026-01-25 23:00 - Updated: 2026-01-28 23:00Summary
Red Hat Enterprise Linux (urllib3): Mehrere Schwachstellen ermöglichen Denial of Service
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
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX
{
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"notes": [
{
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"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": "Red Hat Enterprise Linux (RHEL) ist eine popul\u00e4re Linux-Distribution.",
"title": "Produktbeschreibung"
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{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- UNIX",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
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"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-0207 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0207.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-0207 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0207"
},
{
"category": "external",
"summary": "RedHat Security Advisory vom 2026-01-25",
"url": "https://access.redhat.com/errata/RHSA-2026:1086"
},
{
"category": "external",
"summary": "RedHat Security Advisory vom 2026-01-25",
"url": "https://access.redhat.com/errata/RHSA-2026:1087"
},
{
"category": "external",
"summary": "RedHat Security Advisory vom 2026-01-25",
"url": "https://access.redhat.com/errata/RHSA-2026:1088"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1166 vom 2026-01-26",
"url": "https://access.redhat.com/errata/RHSA-2026:1166"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1176 vom 2026-01-26",
"url": "https://access.redhat.com/errata/RHSA-2026:1176"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1168 vom 2026-01-26",
"url": "https://access.redhat.com/errata/RHSA-2026:1168"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1332 vom 2026-01-27",
"url": "https://access.redhat.com/errata/RHSA-2026:1332"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1087 vom 2026-01-27",
"url": "https://linux.oracle.com/errata/ELSA-2026-1087.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1089 vom 2026-01-27",
"url": "https://linux.oracle.com/errata/ELSA-2026-1089.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1241 vom 2026-01-27",
"url": "https://linux.oracle.com/errata/ELSA-2026-1241.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1226 vom 2026-01-27",
"url": "https://linux.oracle.com/errata/ELSA-2026-1226.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1329 vom 2026-01-27",
"url": "https://access.redhat.com/errata/RHSA-2026:1329"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1224 vom 2026-01-27",
"url": "https://linux.oracle.com/errata/ELSA-2026-1224.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1330 vom 2026-01-27",
"url": "https://access.redhat.com/errata/RHSA-2026:1330"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1241 vom 2026-01-26",
"url": "https://access.redhat.com/errata/RHSA-2026:1241"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1254 vom 2026-01-26",
"url": "https://access.redhat.com/errata/RHSA-2026:1254"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1088 vom 2026-01-27",
"url": "https://linux.oracle.com/errata/ELSA-2026-1088.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1249 vom 2026-01-26",
"url": "https://access.redhat.com/errata/RHSA-2026:1249"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1086 vom 2026-01-26",
"url": "https://linux.oracle.com/errata/ELSA-2026-1086.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1224 vom 2026-01-26",
"url": "https://access.redhat.com/errata/RHSA-2026:1224"
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{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1239 vom 2026-01-26",
"url": "https://access.redhat.com/errata/RHSA-2026:1239"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1240 vom 2026-01-26",
"url": "https://access.redhat.com/errata/RHSA-2026:1240"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1336 vom 2026-01-27",
"url": "https://access.redhat.com/errata/RHSA-2026:1336"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1337 vom 2026-01-27",
"url": "https://access.redhat.com/errata/RHSA-2026:1337"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1338 vom 2026-01-27",
"url": "https://access.redhat.com/errata/RHSA-2026:1338"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1339 vom 2026-01-27",
"url": "https://access.redhat.com/errata/RHSA-2026:1339"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1340 vom 2026-01-27",
"url": "https://access.redhat.com/errata/RHSA-2026:1340"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1331 vom 2026-01-27",
"url": "https://access.redhat.com/errata/RHSA-2026:1331"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1254 vom 2026-01-27",
"url": "https://linux.oracle.com/errata/ELSA-2026-1254.html"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:10096-1 vom 2026-01-27",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/AXAHGTG4AOP52E6CXAVGATIJUVW4COWD/"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1239 vom 2026-01-27",
"url": "https://linux.oracle.com/errata/ELSA-2026-1239.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-1240 vom 2026-01-27",
"url": "https://linux.oracle.com/errata/ELSA-2026-1240.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1485 vom 2026-01-28",
"url": "https://access.redhat.com/errata/RHSA-2026:1485"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1506 vom 2026-01-28",
"url": "https://access.redhat.com/errata/RHSA-2026:1506"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1504 vom 2026-01-28",
"url": "https://access.redhat.com/errata/RHSA-2026:1504"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:1497 vom 2026-01-28",
"url": "https://access.redhat.com/errata/RHSA-2026:1497"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:20131-1 vom 2026-01-28",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023960.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:20157-1 vom 2026-01-28",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023945.html"
}
],
"source_lang": "en-US",
"title": "Red Hat Enterprise Linux (urllib3): Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
"tracking": {
"current_release_date": "2026-01-28T23:00:00.000+00:00",
"generator": {
"date": "2026-01-29T07:51:15.356+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.5.0"
}
},
"id": "WID-SEC-W-2026-0207",
"initial_release_date": "2026-01-25T23:00:00.000+00:00",
"revision_history": [
{
"date": "2026-01-25T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-01-26T23:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
},
{
"date": "2026-01-27T23:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Oracle Linux und openSUSE aufgenommen"
},
{
"date": "2026-01-28T23:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat und SUSE aufgenommen"
}
],
"status": "final",
"version": "4"
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"name": "Oracle Linux",
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"product_id": "T004914",
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"cpe": "cpe:/o:oracle:linux:-"
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{
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},
{
"category": "product_version",
"name": "10",
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"product_id": "T002207",
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},
{
"category": "product_name",
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"category": "vendor",
"name": "SUSE"
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},
"vulnerabilities": [
{
"cve": "CVE-2025-66418",
"product_status": {
"known_affected": [
"T002207",
"67646",
"T027843",
"T004914",
"T050286",
"T050287"
]
},
"release_date": "2026-01-25T23:00:00.000+00:00",
"title": "CVE-2025-66418"
},
{
"cve": "CVE-2025-66471",
"product_status": {
"known_affected": [
"T002207",
"67646",
"T027843",
"T004914",
"T050286",
"T050287"
]
},
"release_date": "2026-01-25T23:00:00.000+00:00",
"title": "CVE-2025-66471"
},
{
"cve": "CVE-2026-21441",
"product_status": {
"known_affected": [
"T002207",
"67646",
"T027843",
"T004914",
"T050286",
"T050287"
]
},
"release_date": "2026-01-25T23:00:00.000+00:00",
"title": "CVE-2026-21441"
}
]
}
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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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