UnratedFix available
python2: Fix of CVE-2026-0864
Type: advisorySources: OSV
- CVE-2026-0864: normalize CR and CRLF line endings to LF plus tab continuation when ConfigParser writes multi-line values, so a carriage return inside an attacker-controlled value can no longer inject extra keys and values into the written configuration file
- Products
- python2, python2-debug, python2-devel, python2-libs, python2-test, python2-tkinter, python2-tools
- Affected versions
- Not specified
- Fixed versions
- 2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26
- CVEs
- CVE-2026-0864
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:16 UTC · Revision 1
Source evidence
- CVE-2026-0864: normalize CR and CRLF line endings to LF plus tab continuation when ConfigParser writes multi-line values, so a carriage return inside an attacker-controlled value can no longer inject extra keys and values into the written configuration file
osv:CLSA-2026-1787663936
python2
Fixed versions: 2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26
python2-debug
Fixed versions: 2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26
python2-devel
Fixed versions: 2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26
python2-libs
Fixed versions: 2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26
python2-test
Fixed versions: 2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26
python2-tkinter
Fixed versions: 2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26
python2-tools
Fixed versions: 2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26
Complete source record
{
"id": "1f5a3858f8016db570877794e51b2254cae084613d03f0e945f86cbd7ab4b480",
"url": "https://osv.dev/vulnerability/CLSA-2026-1787663936",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "python2: Fix of CVE-2026-0864",
"summary": "- CVE-2026-0864: normalize CR and CRLF line endings to LF plus tab continuation when ConfigParser writes multi-line values, so a carriage return inside an attacker-controlled value can no longer inject extra keys and values into the written configuration file",
"evidence": "osv:CLSA-2026-1787663936",
"products": [
{
"name": {
"value": "python2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-debug",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-libs",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-test",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-tkinter",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-tools",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1787663936",
"aliases": [
"CLSA-2026-1787663936"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26"
}
]
}
],
"package": {
"name": "python2",
"purl": "pkg:rpm/tuxcare/python2?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1787663936.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26"
}
]
}
],
"package": {
"name": "python2-debug",
"purl": "pkg:rpm/tuxcare/python2-debug?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1787663936.json"
}
},
{
"ranges": [
{
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{
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},
{
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}
]
}
],
"package": {
"name": "python2-devel",
"purl": "pkg:rpm/tuxcare/python2-devel?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1787663936.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26"
}
]
}
],
"package": {
"name": "python2-libs",
"purl": "pkg:rpm/tuxcare/python2-libs?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1787663936.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26"
}
]
}
],
"package": {
"name": "python2-test",
"purl": "pkg:rpm/tuxcare/python2-test?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1787663936.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26"
}
]
}
],
"package": {
"name": "python2-tkinter",
"purl": "pkg:rpm/tuxcare/python2-tkinter?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1787663936.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-7.module_el8.5.0+2507+560ae92e.tuxcare.els26"
}
]
}
],
"package": {
"name": "python2-tools",
"purl": "pkg:rpm/tuxcare/python2-tools?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1787663936.json"
}
}
],
"modified": "2026-10-26T09:31:51.225289340Z",
"provider": "osv",
"upstream": [
"CVE-2026-0864"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1787663936.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-0864"
]
},
"related_cves": [
{
"value": "CVE-2026-0864",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448696,
"published_at": "2026-08-25T13:19:07+00:00"
}