UnratedFix available
Security update for python-anyio
Type: advisorySources: OSV
This update for python-anyio fixes the following issues: - CVE-2026-63374: TLSStream IDNA 2003 host name encoding enables potential TLS certificate spoofing (bsc#1281476). - CVE-2026-64847: AnyIO process-pool workers can block indefinitely on undrained stderr (bsc#1281475).
- Products
- python-anyio
- Affected versions
- Not specified
- Fixed versions
- 4.8.0-160000.3.1
- CVEs
- CVE-2026-63374, CVE-2026-64847
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 10:32 UTC · Revision 1
Source evidence
This update for python-anyio fixes the following issues: - CVE-2026-63374: TLSStream IDNA 2003 host name encoding enables potential TLS certificate spoofing (bsc#1281476). - CVE-2026-64847: AnyIO process-pool workers can block indefinitely on undrained stderr (bsc#1281475).
osv:SUSE-SU-2026:24122-1
python-anyio
Fixed versions: 4.8.0-160000.3.1
Complete source record
{
"id": "960965651db844e78635bf932b0a47717602970d7f4c7caf1c9c5ea7c7fcaea7",
"url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A24122-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Security update for python-anyio",
"summary": "This update for python-anyio fixes the following issues: - CVE-2026-63374: TLSStream IDNA 2003 host name encoding enables potential TLS certificate spoofing (bsc#1281476). - CVE-2026-64847: AnyIO process-pool workers can block indefinitely on undrained stderr (bsc#1281475).",
"evidence": "osv:SUSE-SU-2026:24122-1",
"products": [
{
"name": {
"value": "python-anyio",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.8.0-160000.3.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "SUSE-SU-2026:24122-1",
"aliases": [
"SUSE-SU-2026:24122-1"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.8.0-160000.3.1"
}
]
}
],
"package": {
"name": "python-anyio",
"purl": "pkg:rpm/suse/python-anyio&distro=SUSE%20Linux%20Micro%206.2",
"ecosystem": "SUSE:Linux Micro 6.2"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24122-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"python313-anyio": "4.8.0-160000.3.1"
}
]
}
}
],
"modified": "2026-10-13T17:23:10.205433402Z",
"provider": "osv",
"upstream": [
"CVE-2026-63374",
"CVE-2026-64847"
],
"references": [
"https://www.suse.com/support/update/announcement/2026/suse-su-202624122-1/",
"https://bugzilla.suse.com/1281475",
"https://bugzilla.suse.com/1281476",
"https://www.suse.com/security/cve/CVE-2026-63374",
"https://www.suse.com/security/cve/CVE-2026-64847"
]
},
"related_cves": [
{
"value": "CVE-2026-63374",
"evidence": "/upstream"
},
{
"value": "CVE-2026-64847",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 311855,
"published_at": "2026-10-08T10:43:41+00:00"
}