HighFix available
Red Hat Security Advisory: python3.11 security update
Type: advisorySources: OSV
- Products
- python3.11, python3.11-debuginfo, python3.11-debugsource, python3.11-devel, python3.11-libs, python3.11-rpm-macros, python3.11-tkinter
- Affected versions
- Not specified
- Fixed versions
- 0:3.11.2-2.el8_8.10
- CVEs
- CVE-2026-4786, CVE-2026-6100
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:11 UTC · Revision 1
Source evidence
Red Hat Security Advisory: python3.11 security update
core-osv · Original sourcePublished 17 Jun 2026, 10:08 UTC
Red Hat Security Advisory: python3.11 security update
osv:RHSA-2026:26187
python3.11
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-debuginfo
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-debugsource
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-devel
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-libs
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-rpm-macros
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-tkinter
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-debuginfo
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-debugsource
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-devel
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-libs
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-rpm-macros
Fixed versions: 0:3.11.2-2.el8_8.10
python3.11-tkinter
Fixed versions: 0:3.11.2-2.el8_8.10
Complete source record
{
"id": "8035b0ee9939aa88c9a5460beba1477af6e5a2acbfc2c1de4d229c21200f32b7",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A26187",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: python3.11 security update",
"summary": "Red Hat Security Advisory: python3.11 security update",
"evidence": "osv:RHSA-2026:26187",
"products": [
{
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{
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{
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{
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{
"name": {
"value": "python3.11-devel",
"evidence": "/affected/10/package/name"
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"prerequisites": [],
"fixed_versions": [
{
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],
"affected_versions": []
},
{
"name": {
"value": "python3.11-libs",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.11.2-2.el8_8.10",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3.11-rpm-macros",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/12/ranges"
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],
"affected_versions": []
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{
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"evidence": "/affected/13/package/name"
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"affected_versions": []
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],
"severity": "high",
"structured": {
"id": "RHSA-2026:26187",
"aliases": [
"RHSA-2026:26187"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
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"events": [
{
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],
"package": {
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"purl": "pkg:rpm/redhat/python3.11",
"ecosystem": "Red Hat:rhel_e4s:8.8::appstream"
},
"database_specific": {
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}
},
{
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],
"package": {
"name": "python3.11-debuginfo",
"purl": "pkg:rpm/redhat/python3.11-debuginfo",
"ecosystem": "Red Hat:rhel_e4s:8.8::appstream"
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"database_specific": {
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"package": {
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"package": {
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"package": {
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"purl": "pkg:rpm/redhat/python3.11-tkinter",
"ecosystem": "Red Hat:rhel_e4s:8.8::appstream"
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],
"package": {
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"purl": "pkg:rpm/redhat/python3.11-tkinter",
"ecosystem": "Red Hat:rhel_tus:8.8::appstream"
},
"database_specific": {
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}
],
"modified": "2026-10-17T10:11:29Z",
"provider": "osv",
"upstream": [
"CVE-2026-4786",
"CVE-2026-6100"
],
"references": [
"https://access.redhat.com/errata/RHSA-2026:26187",
"https://access.redhat.com/security/updates/classification/#important",
"https://bugzilla.redhat.com/show_bug.cgi?id=2457932",
"https://bugzilla.redhat.com/show_bug.cgi?id=2458049",
"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_26187.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/",
"https://access.redhat.com/security/cve/CVE-2026-6100",
"https://www.cve.org/CVERecord?id=CVE-2026-6100",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6100",
"https://github.com/python/cpython/commit/6a5f79c8d7bbf22b083b240910c7a8781a59437d",
"https://github.com/python/cpython/commit/8fc66aef6d7b3ae58f43f5c66f9366cc8cbbfcd2",
"https://github.com/python/cpython/commit/c3cf71c3366fe49acb776a639405c0eea6169c20",
"https://github.com/python/cpython/issues/148395",
"https://github.com/python/cpython/pull/148396",
"https://mail.python.org/archives/list/security-announce@python.org/thread/HTWB2Z6KT5QQX4RYEZAFININDHNOSIF3/"
]
},
"related_cves": [
{
"value": "CVE-2026-4786",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6100",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 352863,
"published_at": "2026-06-17T10:08:32+00:00"
}