WID-SEC-W-2026-0785
Vulnerability from csaf_certbund - Published: 2026-03-18 23:00 - Updated: 2026-03-26 23:00Summary
libarchive: 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: libarchive ist eine C Bibliothek und ein Kommandozeilen-Tool zum Lesen und Bearbeiten von tar, cpio, zip, ISO und anderen Formaten.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in libarchive 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": "libarchive ist eine C Bibliothek und ein Kommandozeilen-Tool zum Lesen und Bearbeiten von tar, cpio, zip, ISO und anderen Formaten.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in libarchive 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-2026-0785 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0785.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-0785 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0785"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:5063 vom 2026-03-18",
"url": "https://access.redhat.com/errata/RHSA-2026:5063"
},
{
"category": "external",
"summary": "Red Hat Bugzilla 2446453 vom 2026-03-18",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2446453"
},
{
"category": "external",
"summary": "Red Hat Customer Portal vom 2026-03-18",
"url": "https://access.redhat.com/security/cve/cve-2026-4111"
},
{
"category": "external",
"summary": "libarchive Patch Pull Request vom 2026-03-01",
"url": "https://github.com/libarchive/libarchive/pull/2877"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:5080 vom 2026-03-19",
"url": "https://access.redhat.com/errata/RHSA-2026:5080"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-5080 vom 2026-03-19",
"url": "https://linux.oracle.com/errata/ELSA-2026-5080.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-5063 vom 2026-03-19",
"url": "https://linux.oracle.com/errata/ELSA-2026-5063.html"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-B42B8B1C00 vom 2026-03-25",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-b42b8b1c00"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:5080 vom 2026-03-26",
"url": "https://errata.build.resf.org/RLSA-2026:5080"
}
],
"source_lang": "en-US",
"title": "libarchive: Schwachstelle erm\u00f6glicht Denial of Service",
"tracking": {
"current_release_date": "2026-03-26T23:00:00.000+00:00",
"generator": {
"date": "2026-03-27T09:06:31.571+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.5.0"
}
},
"id": "WID-SEC-W-2026-0785",
"initial_release_date": "2026-03-18T23:00:00.000+00:00",
"revision_history": [
{
"date": "2026-03-18T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-03-19T23:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-03-24T23:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Fedora aufgenommen"
},
{
"date": "2026-03-26T23:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
}
],
"status": "final",
"version": "4"
}
},
"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_range",
"name": "\u003c3.8.6",
"product": {
"name": "Open Source libarchive \u003c3.8.6",
"product_id": "T051919"
}
},
{
"category": "product_version",
"name": "3.8.6",
"product": {
"name": "Open Source libarchive 3.8.6",
"product_id": "T051919-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:libarchive:libarchive:3.8.6"
}
}
}
],
"category": "product_name",
"name": "libarchive"
}
],
"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"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-4111",
"product_status": {
"known_affected": [
"67646",
"T004914",
"T032255",
"74185",
"T051919"
]
},
"release_date": "2026-03-18T23:00:00.000+00:00",
"title": "CVE-2026-4111"
}
]
}
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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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