HighFix available
Red Hat Security Advisory: python3 security update
Type: advisorySources: OSV
- Products
- python3, python3-debug, python3-debuginfo, python3-devel, python3-idle, python3-libs, python3-test, python3-tkinter
- Affected versions
- Not specified
- Fixed versions
- 0:3.6.8-21.el7_9.6
- CVEs
- CVE-2026-4786
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:12 UTC · Revision 1
Source evidence
Red Hat Security Advisory: python3 security update
core-osv · Original sourcePublished 6 Jul 2026, 10:08 UTC
Red Hat Security Advisory: python3 security update
osv:RHSA-2026:35838
python3
Fixed versions: 0:3.6.8-21.el7_9.6
python3-debuginfo
Fixed versions: 0:3.6.8-21.el7_9.6
python3-libs
Fixed versions: 0:3.6.8-21.el7_9.6
python3-debug
Fixed versions: 0:3.6.8-21.el7_9.6
python3-devel
Fixed versions: 0:3.6.8-21.el7_9.6
python3-idle
Fixed versions: 0:3.6.8-21.el7_9.6
python3-test
Fixed versions: 0:3.6.8-21.el7_9.6
python3-tkinter
Fixed versions: 0:3.6.8-21.el7_9.6
Complete source record
{
"id": "74e7091b2d09fdadbd80f1aa76fa94e766250a74609781614ea986ea66bb4df6",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A35838",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: python3 security update",
"summary": "Red Hat Security Advisory: python3 security update",
"evidence": "osv:RHSA-2026:35838",
"products": [
{
"name": {
"value": "python3",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.6.8-21.el7_9.6",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3-debuginfo",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.6.8-21.el7_9.6",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3-libs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.6.8-21.el7_9.6",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3-debug",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.6.8-21.el7_9.6",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3-devel",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.6.8-21.el7_9.6",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3-idle",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.6.8-21.el7_9.6",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3-test",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.6.8-21.el7_9.6",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3-tkinter",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.6.8-21.el7_9.6",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RHSA-2026:35838",
"aliases": [
"RHSA-2026:35838"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.6.8-21.el7_9.6"
}
]
}
],
"package": {
"name": "python3",
"purl": "pkg:rpm/redhat/python3",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.6.8-21.el7_9.6"
}
]
}
],
"package": {
"name": "python3-debuginfo",
"purl": "pkg:rpm/redhat/python3-debuginfo",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.6.8-21.el7_9.6"
}
]
}
],
"package": {
"name": "python3-libs",
"purl": "pkg:rpm/redhat/python3-libs",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.6.8-21.el7_9.6"
}
]
}
],
"package": {
"name": "python3-debug",
"purl": "pkg:rpm/redhat/python3-debug",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.6.8-21.el7_9.6"
}
]
}
],
"package": {
"name": "python3-devel",
"purl": "pkg:rpm/redhat/python3-devel",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.6.8-21.el7_9.6"
}
]
}
],
"package": {
"name": "python3-idle",
"purl": "pkg:rpm/redhat/python3-idle",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.6.8-21.el7_9.6"
}
]
}
],
"package": {
"name": "python3-test",
"purl": "pkg:rpm/redhat/python3-test",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.6.8-21.el7_9.6"
}
]
}
],
"package": {
"name": "python3-tkinter",
"purl": "pkg:rpm/redhat/python3-tkinter",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:35838.json"
}
}
],
"modified": "2026-10-17T10:12:36Z",
"provider": "osv",
"upstream": [
"CVE-2026-4786"
],
"references": [
"https://access.redhat.com/errata/RHSA-2026:35838",
"https://access.redhat.com/security/updates/classification/#important",
"https://bugzilla.redhat.com/show_bug.cgi?id=2458049",
"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_35838.json",
"https://access.redhat.com/security/cve/CVE-2026-4786",
"https://www.cve.org/CVERecord?id=CVE-2026-4786",
"https://nvd.nist.gov/vuln/detail/CVE-2026-4786",
"https://github.com/python/cpython/issues/148169",
"https://github.com/python/cpython/pull/148170",
"https://mail.python.org/archives/list/security-announce@python.org/thread/JQDUNJVB4AQNTJECSUKOBDU3XCJIPSE5/"
]
},
"related_cves": [
{
"value": "CVE-2026-4786",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 352898,
"published_at": "2026-07-06T10:08:02+00:00"
}