suse-su-2025:20430-1
Vulnerability from csaf_suse
Published
2025-06-23 13:44
Modified
2025-06-23 13:44
Summary
Security update for python-tornado6
Notes
Title of the patch
Security update for python-tornado6
Description of the patch
This update for python-tornado6 fixes the following issues:
- CVE-2025-47287: Fixed denial of service via generation of
an extremely high volume of logs due to multipart/form-data
parser (bsc#1243268).
Patchnames
SUSE-SLE-Micro-6.0-365
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"text": "This update for python-tornado6 fixes the following issues:\n\n- CVE-2025-47287: Fixed denial of service via generation of \n an extremely high volume of logs due to multipart/form-data\n parser (bsc#1243268).\n",
"title": "Description of the patch"
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"title": "Patchnames"
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"url": "https://www.suse.com/support/update/announcement/2025/suse-su-202520430-1/"
},
{
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"summary": "E-Mail link for SUSE-SU-2025:20430-1",
"url": "https://lists.suse.com/pipermail/sle-updates/2025-June/040506.html"
},
{
"category": "self",
"summary": "SUSE Bug 1243268",
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"summary": "SUSE CVE CVE-2025-47287 page",
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"title": "Security update for python-tornado6",
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"date": "2025-06-23T13:44:42Z",
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"vulnerabilities": [
{
"cve": "CVE-2025-47287",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2025-47287"
}
],
"notes": [
{
"category": "general",
"text": "Tornado is a Python web framework and asynchronous networking library. When Tornado\u0027s ``multipart/form-data`` parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs, constituting a DoS attack. This DoS is compounded by the fact that the logging subsystem is synchronous. All versions of Tornado prior to 6.5.0 are affected. The vulnerable parser is enabled by default. Upgrade to Tornado version 6.50 to receive a patch. As a workaround, risk can be mitigated by blocking `Content-Type: multipart/form-data` in a proxy.",
"title": "CVE description"
}
],
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},
{
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"summary": "SUSE Bug 1243268 for CVE-2025-47287",
"url": "https://bugzilla.suse.com/1243268"
}
],
"remediations": [
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"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
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],
"scores": [
{
"cvss_v3": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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],
"threats": [
{
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"date": "2025-06-23T13:44:42Z",
"details": "important"
}
],
"title": "CVE-2025-47287"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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