WID-SEC-W-2026-2272
Vulnerability from csaf_certbund - Published: 2026-07-09 22:00 - Updated: 2026-08-10 22:00Summary
CPython: Schwachstelle ermöglicht Denial of Service
Severity
Hoch
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: Python ist eine universelle, üblicherweise interpretierte, höhere Programmiersprache.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in CPython ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Sonstiges
- UNIX
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
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Fedora Linux
Fedora
|
cpe:/o:fedoraproject:fedora:-
|
— | |
|
Amazon Linux 2
Amazon
|
cpe:/o:amazon:linux_2:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Microsoft Azure Linux azl3
Microsoft / Azure Linux
|
cpe:/o:microsoft:azure_linux:azl3
|
azl3 |
Last affected
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Python CPython <=3.15.0
Open Source / Python
|
CPython <=3.15.0 |
References
44 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"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": "Python ist eine universelle, \u00fcblicherweise interpretierte, h\u00f6here Programmiersprache.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in CPython ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Sonstiges\n- UNIX",
"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-2026-2272 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2272.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2272 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2272"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-7qj2-q5c8-cxx5 vom 2026-07-09",
"url": "https://github.com/advisories/GHSA-7qj2-q5c8-cxx5"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:38017 vom 2026-07-10",
"url": "https://access.redhat.com/errata/RHSA-2026:38017"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:38018 vom 2026-07-10",
"url": "https://access.redhat.com/errata/RHSA-2026:38018"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:39320 vom 2026-07-14",
"url": "https://access.redhat.com/errata/RHSA-2026:39320"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:39183 vom 2026-07-14",
"url": "https://access.redhat.com/errata/RHSA-2026:39183"
},
{
"category": "external",
"summary": "Microsoft Leitfaden f\u00fcr Sicherheitsupdates vom 2026-07-14",
"url": "https://msrc.microsoft.com/update-guide/"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:39771 vom 2026-07-15",
"url": "https://access.redhat.com/errata/RHSA-2026:39771"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:39798 vom 2026-07-15",
"url": "https://access.redhat.com/errata/RHSA-2026:39798"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:39893 vom 2026-07-15",
"url": "https://access.redhat.com/errata/RHSA-2026:39893"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:39893 vom 2026-07-16",
"url": "https://errata.build.resf.org/RLSA-2026:39893"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:39183 vom 2026-07-15",
"url": "https://errata.build.resf.org/RLSA-2026:39183"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:39320 vom 2026-07-15",
"url": "https://errata.build.resf.org/RLSA-2026:39320"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-39893 vom 2026-07-16",
"url": "https://linux.oracle.com/errata/ELSA-2026-39893.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-39320 vom 2026-07-16",
"url": "https://linux.oracle.com/errata/ELSA-2026-39320.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-39771 vom 2026-07-16",
"url": "https://linux.oracle.com/errata/ELSA-2026-39771.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:39798 vom 2026-07-16",
"url": "https://errata.build.resf.org/RLSA-2026:39798"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:39771 vom 2026-07-16",
"url": "https://errata.build.resf.org/RLSA-2026:39771"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:40856 vom 2026-07-16",
"url": "https://access.redhat.com/errata/RHSA-2026:40856"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-39798 vom 2026-07-16",
"url": "https://linux.oracle.com/errata/ELSA-2026-39798.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-40856 vom 2026-07-17",
"url": "https://linux.oracle.com/errata/ELSA-2026-40856.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:41949 vom 2026-07-21",
"url": "https://access.redhat.com/errata/RHSA-2026:41949"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-39183 vom 2026-07-22",
"url": "https://oss.oracle.com/pipermail/el-errata/2026-July/021236.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:41949 vom 2026-07-22",
"url": "https://errata.build.resf.org/RLSA-2026:41949"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:40856 vom 2026-07-22",
"url": "https://errata.build.resf.org/RLSA-2026:40856"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-41949 vom 2026-07-23",
"url": "https://linux.oracle.com/errata/ELSA-2026-41949.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:44481 vom 2026-07-23",
"url": "https://access.redhat.com/errata/RHSA-2026:44481"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:46836 vom 2026-07-27",
"url": "https://access.redhat.com/errata/RHSA-2026:46836"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:48151 vom 2026-07-29",
"url": "https://access.redhat.com/errata/RHSA-2026:48151"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:47939 vom 2026-07-30",
"url": "https://access.redhat.com/errata/RHSA-2026:47939"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-05338C2E02 vom 2026-07-30",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-05338c2e02"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-84E1CF3983 vom 2026-07-30",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-84e1cf3983"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-0C91E22488 vom 2026-07-30",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-0c91e22488"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:11428-1 vom 2026-08-03",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/GSRNZPTAH4SIAI33PZRL63HMQFDING7V/"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2-2026-3852 vom 2026-08-05",
"url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-3852.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50064 vom 2026-08-04",
"url": "https://access.redhat.com/errata/RHSA-2026:50064"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50065 vom 2026-08-04",
"url": "https://access.redhat.com/errata/RHSA-2026:50065"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2-2026-3845 vom 2026-08-05",
"url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-3845.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50771 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50771"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50770 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50770"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50816 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50816"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:3530-1 vom 2026-08-08",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028170.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:3548-1 vom 2026-08-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028184.html"
}
],
"source_lang": "en-US",
"title": "CPython: Schwachstelle erm\u00f6glicht Denial of Service",
"tracking": {
"current_release_date": "2026-08-10T22:00:00.000+00:00",
"generator": {
"date": "2026-08-11T08:56:40.774+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2272",
"initial_release_date": "2026-07-09T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-07-09T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-07-12T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-14T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-15T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-07-16T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Oracle Linux, Rocky Enterprise Software Foundation und Red Hat aufgenommen"
},
{
"date": "2026-07-20T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-22T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Oracle Linux und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-07-23T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Oracle Linux und Red Hat aufgenommen"
},
{
"date": "2026-07-27T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-29T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-30T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Fedora aufgenommen"
},
{
"date": "2026-08-03T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von openSUSE aufgenommen"
},
{
"date": "2026-08-04T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Amazon und Red Hat aufgenommen"
},
{
"date": "2026-08-05T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-08-09T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-08-10T22:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von SUSE aufgenommen"
}
],
"status": "final",
"version": "16"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Amazon Linux 2",
"product": {
"name": "Amazon Linux 2",
"product_id": "398363",
"product_identification_helper": {
"cpe": "cpe:/o:amazon:linux_2:-"
}
}
}
],
"category": "vendor",
"name": "Amazon"
},
{
"branches": [
{
"category": "product_name",
"name": "Fedora Linux",
"product": {
"name": "Fedora Linux",
"product_id": "74178",
"product_identification_helper": {
"cpe": "cpe:/o:fedoraproject:fedora:-"
}
}
}
],
"category": "vendor",
"name": "Fedora"
},
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "azl3",
"product": {
"name": "Microsoft Azure Linux azl3",
"product_id": "T049210",
"product_identification_helper": {
"cpe": "cpe:/o:microsoft:azure_linux:azl3"
}
}
}
],
"category": "product_name",
"name": "Azure Linux"
}
],
"category": "vendor",
"name": "Microsoft"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "CPython \u003c=3.15.0",
"product": {
"name": "Open Source Python CPython \u003c=3.15.0",
"product_id": "T056367"
}
},
{
"category": "product_version_range",
"name": "CPython \u003c=3.15.0",
"product": {
"name": "Open Source Python CPython \u003c=3.15.0",
"product_id": "T056367-fixed"
}
}
],
"category": "product_name",
"name": "Python"
}
],
"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"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-15308",
"product_status": {
"known_affected": [
"T056236",
"T054581",
"67646",
"T055946",
"74178",
"398363",
"T054646",
"T049210"
],
"last_affected": [
"T056367"
]
},
"release_date": "2026-07-09T22:00:00.000+00:00",
"title": "CVE-2026-15308"
}
]
}
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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.
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