WID-SEC-W-2026-2126
Vulnerability from csaf_certbund - Published: 2026-06-29 22:00 - Updated: 2026-09-10 22:00Summary
gzip: Mehrere Schwachstellen
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: Das gzip-Paket ist ein GNU Kompressionsprogramm.
Angriff: Ein lokaler Angreifer kann mehrere Schwachstellen in gzip ausnutzen, um Dateien zu manipulieren und um vertrauliche Informationen offenzulegen.
Betroffene Betriebssysteme: - UNIX
- Windows
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Dell Secure Connect Gateway <5.36.00.16
Dell / Secure Connect Gateway
|
<5.36.00.16 | ||
|
RESF Rocky Linux
RESF
|
cpe:/o:resf:rocky_linux:-
|
— | |
|
Open Source gzip commit <4e6f8b24ab823146ab8776f0b7fe486ab34d4269
Open Source / gzip
|
commit <4e6f8b24ab823146ab8776f0b7fe486ab34d4269 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— |
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Dell Secure Connect Gateway <5.36.00.16
Dell / Secure Connect Gateway
|
<5.36.00.16 | ||
|
RESF Rocky Linux
RESF
|
cpe:/o:resf:rocky_linux:-
|
— | |
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source gzip commit <63dbf6b3b9e6e781df1a6a64e609b10e23969681
Open Source / gzip
|
commit <63dbf6b3b9e6e781df1a6a64e609b10e23969681 | ||
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— |
References
31 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": "Das gzip-Paket ist ein GNU Kompressionsprogramm.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein lokaler Angreifer kann mehrere Schwachstellen in gzip ausnutzen, um Dateien zu manipulieren und um vertrauliche Informationen offenzulegen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- 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-2026-2126 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2126.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2126 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2126"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-67v8-88jf-4x6q vom 2026-06-29",
"url": "https://github.com/advisories/GHSA-67v8-88jf-4x6q"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-67v8-88jf-4x6q vom 2026-06-29",
"url": "https://github.com/advisories/GHSA-QXH4-RPRF-2MMJ"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:33771 vom 2026-06-30",
"url": "https://access.redhat.com/errata/RHSA-2026:33771"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8512-1 vom 2026-07-06",
"url": "https://ubuntu.com/security/notices/USN-8512-1"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:37764 vom 2026-07-10",
"url": "https://access.redhat.com/errata/RHSA-2026:37764"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22753-1 vom 2026-07-22",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027753.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:3269-1 vom 2026-07-27",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027933.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22906-1 vom 2026-07-27",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027857.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22918-1 vom 2026-07-27",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027943.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22818-1 vom 2026-07-27",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027923.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:3241-1 vom 2026-07-27",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027842.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:3592-1 vom 2026-08-13",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028286.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:3590-1 vom 2026-08-12",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028285.html"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:11518-1 vom 2026-08-16",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/QISKJQLLQK6FPQIUO2UM7JYSD4URQAZ7/"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:21666-1 vom 2026-08-28",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/2P3G5MFNXY3YOTVRIRXSJ5QKQTLWD2OF/"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:61623 vom 2026-09-01",
"url": "https://errata.build.resf.org/RLSA-2026:61623"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:61625 vom 2026-08-31",
"url": "https://access.redhat.com/errata/RHSA-2026:61625"
},
{
"category": "external",
"summary": "Dell Security Advisory DSA-2026-386 vom 2026-09-01",
"url": "https://www.dell.com/support/kbdoc/000503504/dsa-2026-386-security-update-f"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:61783 vom 2026-09-01",
"url": "https://access.redhat.com/errata/RHSA-2026:61783"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:61625 vom 2026-09-01",
"url": "https://errata.build.resf.org/RLSA-2026:61625"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-61623 vom 2026-09-01",
"url": "https://linux.oracle.com/errata/ELSA-2026-61623-0.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-61625 vom 2026-09-03",
"url": "https://linux.oracle.com/errata/ELSA-2026-61625-0.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8733-1 vom 2026-09-08",
"url": "https://ubuntu.com/security/notices/USN-8733-1"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:23392-1 vom 2026-09-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-September/028772.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:65998 vom 2026-09-09",
"url": "https://access.redhat.com/errata/RHSA-2026:65998"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:23363-1 vom 2026-09-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028699.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:23356-1 vom 2026-09-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028704.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:65998 vom 2026-09-10",
"url": "https://errata.build.resf.org/RLSA-2026:65998"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-65998 vom 2026-09-10",
"url": "https://linux.oracle.com/errata/ELSA-2026-65998-0.html"
}
],
"source_lang": "en-US",
"title": "gzip: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-09-10T22:00:00.000+00:00",
"generator": {
"date": "2026-09-11T09:11:34.272+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2126",
"initial_release_date": "2026-06-29T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-06-29T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-06-30T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-06T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2026-07-12T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-22T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-07-27T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-08-12T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-08-16T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von openSUSE aufgenommen"
},
{
"date": "2026-08-30T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von openSUSE aufgenommen"
},
{
"date": "2026-08-31T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Rocky Enterprise Software Foundation, Red Hat und Dell aufgenommen"
},
{
"date": "2026-09-01T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Rocky Enterprise Software Foundation und Oracle Linux aufgenommen"
},
{
"date": "2026-09-03T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-09-07T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2026-09-09T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von SUSE, Red Hat und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-09-10T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Oracle Linux aufgenommen"
}
],
"status": "final",
"version": "15"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c5.36.00.16",
"product": {
"name": "Dell Secure Connect Gateway \u003c5.36.00.16",
"product_id": "T058878"
}
},
{
"category": "product_version",
"name": "5.36.00.16",
"product": {
"name": "Dell Secure Connect Gateway 5.36.00.16",
"product_id": "T058878-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:dell:secure_connect_gateway:5.36.00.16"
}
}
}
],
"category": "product_name",
"name": "Secure Connect Gateway"
}
],
"category": "vendor",
"name": "Dell"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "commit \u003c63dbf6b3b9e6e781df1a6a64e609b10e23969681",
"product": {
"name": "Open Source gzip commit \u003c63dbf6b3b9e6e781df1a6a64e609b10e23969681",
"product_id": "T055916"
}
},
{
"category": "product_version",
"name": "commit 63dbf6b3b9e6e781df1a6a64e609b10e23969681",
"product": {
"name": "Open Source gzip commit 63dbf6b3b9e6e781df1a6a64e609b10e23969681",
"product_id": "T055916-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:gnu:gzip:commit__63dbf6b3b9e6e781df1a6a64e609b10e23969681"
}
}
},
{
"category": "product_version_range",
"name": "commit \u003c4e6f8b24ab823146ab8776f0b7fe486ab34d4269",
"product": {
"name": "Open Source gzip commit \u003c4e6f8b24ab823146ab8776f0b7fe486ab34d4269",
"product_id": "T055917"
}
},
{
"category": "product_version",
"name": "commit 4e6f8b24ab823146ab8776f0b7fe486ab34d4269",
"product": {
"name": "Open Source gzip commit 4e6f8b24ab823146ab8776f0b7fe486ab34d4269",
"product_id": "T055917-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:gnu:gzip:commit__4e6f8b24ab823146ab8776f0b7fe486ab34d4269"
}
}
}
],
"category": "product_name",
"name": "gzip"
}
],
"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"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T054646",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
},
{
"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"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-41991",
"product_status": {
"known_affected": [
"T056236",
"T058878",
"T054581",
"T055917",
"67646",
"T000126",
"T055946",
"T054646"
]
},
"release_date": "2026-06-29T22:00:00.000+00:00",
"title": "CVE-2026-41991"
},
{
"cve": "CVE-2026-41992",
"product_status": {
"known_affected": [
"T056236",
"T058878",
"T054581",
"67646",
"T055916",
"T000126",
"T055946",
"T054646"
]
},
"release_date": "2026-06-29T22:00:00.000+00:00",
"title": "CVE-2026-41992"
}
]
}
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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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