UnratedFix available
python2: Fix of CVE-2026-7210
Type: advisorySources: OSV
- CVE-2026-7210: seed the libexpat parser with 16 bytes of entropy via XML_SetHashSalt16Bytes when hash randomization is enabled (bound as a weak symbol; falls back to the legacy XML_SetHashSalt when unavailable) to restore hash-flooding protection
- Products
- python2, python2-debug, python2-devel, python2-libs, python2-test, python2-tkinter, python2-tools
- Affected versions
- Not specified
- Fixed versions
- 2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23
- CVEs
- CVE-2026-7210
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:11 UTC · Revision 1
Source evidence
- CVE-2026-7210: seed the libexpat parser with 16 bytes of entropy via XML_SetHashSalt16Bytes when hash randomization is enabled (bound as a weak symbol; falls back to the legacy XML_SetHashSalt when unavailable) to restore hash-flooding protection
osv:CLSA-2026-1781190400
python2
Fixed versions: 2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23
python2-debug
Fixed versions: 2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23
python2-devel
Fixed versions: 2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23
python2-libs
Fixed versions: 2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23
python2-test
Fixed versions: 2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23
python2-tkinter
Fixed versions: 2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23
python2-tools
Fixed versions: 2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23
Complete source record
{
"id": "9833dc0a4480259ed225191faee963179bfcc500aeede381b032db40bd20eeae",
"url": "https://osv.dev/vulnerability/CLSA-2026-1781190400",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "python2: Fix of CVE-2026-7210",
"summary": "- CVE-2026-7210: seed the libexpat parser with 16 bytes of entropy via XML_SetHashSalt16Bytes when hash randomization is enabled (bound as a weak symbol; falls back to the legacy XML_SetHashSalt when unavailable) to restore hash-flooding protection",
"evidence": "osv:CLSA-2026-1781190400",
"products": [
{
"name": {
"value": "python2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-debug",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-libs",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-test",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-tkinter",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python2-tools",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1781190400",
"aliases": [
"CLSA-2026-1781190400"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23"
}
]
}
],
"package": {
"name": "python2",
"purl": "pkg:rpm/tuxcare/python2?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1781190400.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23"
}
]
}
],
"package": {
"name": "python2-debug",
"purl": "pkg:rpm/tuxcare/python2-debug?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1781190400.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23"
}
]
}
],
"package": {
"name": "python2-devel",
"purl": "pkg:rpm/tuxcare/python2-devel?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1781190400.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23"
}
]
}
],
"package": {
"name": "python2-libs",
"purl": "pkg:rpm/tuxcare/python2-libs?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1781190400.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23"
}
]
}
],
"package": {
"name": "python2-test",
"purl": "pkg:rpm/tuxcare/python2-test?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1781190400.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23"
}
]
}
],
"package": {
"name": "python2-tkinter",
"purl": "pkg:rpm/tuxcare/python2-tkinter?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1781190400.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.18-4.module_el8.4.0+2420+6a77a624.tuxcare.els23"
}
]
}
],
"package": {
"name": "python2-tools",
"purl": "pkg:rpm/tuxcare/python2-tools?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1781190400.json"
}
}
],
"modified": "2026-10-26T09:31:50.118476262Z",
"provider": "osv",
"upstream": [
"CVE-2026-7210"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.4els/CLSA-2026-1781190400.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": 448613,
"published_at": "2026-06-11T19:12:28+00:00"
}