UnratedFix available
python: Fix of CVE-2026-7210
Type: advisorySources: OSV
- CVE-2026-7210: when hash randomization is enabled, seed libexpat's hash-flooding protection in pyexpat with a full 16 bytes of entropy via XML_SetHashSalt16Bytes, detected at runtime through a weak symbol so it activates once the system libexpat exposes it, instead of the 4-8 byte XML_SetHashSalt
- Products
- python, python-devel, python-libs, python-test, python-tools, tkinter
- Affected versions
- Not specified
- Fixed versions
- 2.6.6-70.el6.tuxcare.els23
- CVEs
- CVE-2026-7210
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:58 UTC · Revision 1
Source evidence
- CVE-2026-7210: when hash randomization is enabled, seed libexpat's hash-flooding protection in pyexpat with a full 16 bytes of entropy via XML_SetHashSalt16Bytes, detected at runtime through a weak symbol so it activates once the system libexpat exposes it, instead of the 4-8 byte XML_SetHashSalt
osv:CLSA-2026-1781346632
python
Fixed versions: 2.6.6-70.el6.tuxcare.els23
python-devel
Fixed versions: 2.6.6-70.el6.tuxcare.els23
python-libs
Fixed versions: 2.6.6-70.el6.tuxcare.els23
python-test
Fixed versions: 2.6.6-70.el6.tuxcare.els23
python-tools
Fixed versions: 2.6.6-70.el6.tuxcare.els23
tkinter
Fixed versions: 2.6.6-70.el6.tuxcare.els23
Complete source record
{
"id": "23201f11e300376efcde5d2f902fdc1c8d25bdc3424b2e9beea4a282a824bddf",
"url": "https://osv.dev/vulnerability/CLSA-2026-1781346632",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "python: Fix of CVE-2026-7210",
"summary": "- CVE-2026-7210: when hash randomization is enabled, seed libexpat's hash-flooding protection in pyexpat with a full 16 bytes of entropy via XML_SetHashSalt16Bytes, detected at runtime through a weak symbol so it activates once the system libexpat exposes it, instead of the 4-8 byte XML_SetHashSalt",
"evidence": "osv:CLSA-2026-1781346632",
"products": [
{
"name": {
"value": "python",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.6-70.el6.tuxcare.els23",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.6-70.el6.tuxcare.els23",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python-libs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.6-70.el6.tuxcare.els23",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python-test",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.6-70.el6.tuxcare.els23",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python-tools",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.6-70.el6.tuxcare.els23",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tkinter",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.6-70.el6.tuxcare.els23",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1781346632",
"aliases": [
"CLSA-2026-1781346632"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.6-70.el6.tuxcare.els23"
}
]
}
],
"package": {
"name": "python",
"purl": "pkg:rpm/tuxcare/python?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1781346632.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "python-devel",
"purl": "pkg:rpm/tuxcare/python-devel?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1781346632.json"
}
},
{
"ranges": [
{
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{
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}
]
}
],
"package": {
"name": "python-libs",
"purl": "pkg:rpm/tuxcare/python-libs?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1781346632.json"
}
},
{
"ranges": [
{
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"events": [
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{
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}
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],
"package": {
"name": "python-test",
"purl": "pkg:rpm/tuxcare/python-test?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1781346632.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "python-tools",
"purl": "pkg:rpm/tuxcare/python-tools?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1781346632.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.6-70.el6.tuxcare.els23"
}
]
}
],
"package": {
"name": "tkinter",
"purl": "pkg:rpm/tuxcare/tkinter?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1781346632.json"
}
}
],
"modified": "2026-10-26T09:31:39.107403953Z",
"provider": "osv",
"upstream": [
"CVE-2026-7210"
],
"references": [
"https://errata.tuxcare.com/els_os/centos6els/CLSA-2026-1781346632.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-7210"
]
},
"related_cves": [
{
"value": "CVE-2026-7210",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447977,
"published_at": "2026-06-13T10:31:30+00:00"
}