WID-SEC-W-2026-2588
Vulnerability from csaf_certbund - Published: 2026-07-29 22:00 - Updated: 2026-08-05 22:00Summary
Red Hat Enterprise Linux (perl-Archive-Tar, httplib2): Mehrere Schwachstellen ermöglichen 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: 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: - Linux
Affected products
Known affected
8 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 / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
IBM QRadar SIEM
IBM
|
cpe:/a:ibm:qradar_siem:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Red Hat Enterprise Linux 10
Red Hat / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:10
|
10 | |
|
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red Hat / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:8.4_advanced_mission_critical_update_support
|
8.4 Advanced Mission Critical Update Support | |
|
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Red Hat / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:8.4_extended_update_support_long-life_add-on
|
8.4 Extended Update Support Long-Life Add-On |
Affected products
Known affected
6 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 / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
IBM QRadar SIEM
IBM
|
cpe:/a:ibm:qradar_siem:-
|
— | |
|
Red Hat Enterprise Linux 8
Red Hat / Enterprise Linux
|
cpe:/o:redhat:enterprise_linux:8
|
8 | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— |
References
33 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": "Red Hat Enterprise Linux (RHEL) ist eine popul\u00e4re Linux-Distribution.",
"title": "Produktbeschreibung"
},
{
"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": "- 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-2026-2588 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2588.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2588 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2588"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:48225 vom 2026-07-29",
"url": "https://access.redhat.com/errata/RHSA-2026:48225"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:48585 vom 2026-07-29",
"url": "https://access.redhat.com/errata/RHSA-2026:48585"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:48615 vom 2026-07-29",
"url": "https://access.redhat.com/errata/RHSA-2026:48615"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:47736 vom 2026-07-30",
"url": "https://access.redhat.com/errata/RHSA-2026:47736"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:48225 vom 2026-07-30",
"url": "https://errata.build.resf.org/RLSA-2026:48225"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:48605 vom 2026-07-30",
"url": "https://access.redhat.com/errata/RHSA-2026:48605"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:48604 vom 2026-07-30",
"url": "https://access.redhat.com/errata/RHSA-2026:48604"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:47736 vom 2026-07-30",
"url": "https://errata.build.resf.org/RLSA-2026:47736"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-47736 vom 2026-07-31",
"url": "https://linux.oracle.com/errata/ELSA-2026-47736.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-48585 vom 2026-08-01",
"url": "http://linux.oracle.com/errata/ELSA-2026-48585.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:48585 vom 2026-07-31",
"url": "https://errata.build.resf.org/RLSA-2026:48585"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:49525 vom 2026-08-03",
"url": "https://access.redhat.com/errata/RHSA-2026:49525"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:49524 vom 2026-08-03",
"url": "https://access.redhat.com/errata/RHSA-2026:49524"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:49523 vom 2026-08-03",
"url": "https://access.redhat.com/errata/RHSA-2026:49523"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-49523 vom 2026-08-03",
"url": "http://linux.oracle.com/errata/ELSA-2026-49523.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-49525 vom 2026-08-03",
"url": "http://linux.oracle.com/errata/ELSA-2026-49525.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-49524 vom 2026-08-03",
"url": "https://linux.oracle.com/errata/ELSA-2026-49524.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:49911 vom 2026-08-04",
"url": "https://access.redhat.com/errata/RHSA-2026:49911"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50340 vom 2026-08-04",
"url": "https://access.redhat.com/errata/RHSA-2026:50340"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50653 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50653"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50357 vom 2026-08-04",
"url": "https://access.redhat.com/errata/RHSA-2026:50357"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50479 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50479"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50655 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50655"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50317 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50317"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:49525 vom 2026-08-04",
"url": "https://errata.build.resf.org/RLSA-2026:49525"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:49524 vom 2026-08-04",
"url": "https://errata.build.resf.org/RLSA-2026:49524"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:49523 vom 2026-08-04",
"url": "https://errata.build.resf.org/RLSA-2026:49523"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-50317 vom 2026-08-05",
"url": "https://linux.oracle.com/errata/ELSA-2026-50317-0.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:50317 vom 2026-08-06",
"url": "https://errata.build.resf.org/RLSA-2026:50317"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:21526-1 vom 2026-08-05",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/YBKZWOBYETRV6L7WDY4C3VEHBSISSCNV/"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7282618 vom 2026-08-05",
"url": "https://www.ibm.com/support/pages/node/7282618"
}
],
"source_lang": "en-US",
"title": "Red Hat Enterprise Linux (perl-Archive-Tar, httplib2): Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
"tracking": {
"current_release_date": "2026-08-05T22:00:00.000+00:00",
"generator": {
"date": "2026-08-06T08:52:13.493+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2588",
"initial_release_date": "2026-07-29T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-07-29T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-07-30T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Red Hat, Rocky Enterprise Software Foundation und Oracle Linux aufgenommen"
},
{
"date": "2026-08-02T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Oracle Linux und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-08-03T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-08-04T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Red Hat und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-08-05T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Rocky Enterprise Software Foundation, openSUSE und IBM aufgenommen"
}
],
"status": "final",
"version": "6"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "IBM QRadar SIEM",
"product": {
"name": "IBM QRadar SIEM",
"product_id": "T021415",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:qradar_siem:-"
}
}
}
],
"category": "vendor",
"name": "IBM"
},
{
"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": [
{
"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": "product_version",
"name": "8",
"product": {
"name": "Red Hat Enterprise Linux 8",
"product_id": "T057393",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:8"
}
}
},
{
"category": "product_version",
"name": "10",
"product": {
"name": "Red Hat Enterprise Linux 10",
"product_id": "T057394",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:10"
}
}
},
{
"category": "product_version",
"name": "8.4 Advanced Mission Critical Update Support",
"product": {
"name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
"product_id": "T057395",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:8.4_advanced_mission_critical_update_support"
}
}
},
{
"category": "product_version",
"name": "8.4 Extended Update Support Long-Life Add-On",
"product": {
"name": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
"product_id": "T057396",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:8.4_extended_update_support_long-life_add-on"
}
}
}
],
"category": "product_name",
"name": "Enterprise Linux"
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE openSUSE",
"product": {
"name": "SUSE openSUSE",
"product_id": "T055946",
"product_identification_helper": {
"cpe": "cpe:/o:suse:opensuse:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-59939",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T021415",
"T055946",
"T057394",
"T057395",
"T057396"
]
},
"release_date": "2026-07-29T22:00:00.000+00:00",
"title": "CVE-2026-59939"
},
{
"cve": "CVE-2026-9538",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T021415",
"T057393",
"T055946"
]
},
"release_date": "2026-07-29T22:00:00.000+00:00",
"title": "CVE-2026-9538"
}
]
}
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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.
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.
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