Medium
CVE-2013-7440 affecting package python-py 1.11.0-1
Type: advisorySources: OSV
The ssl.match_hostname function in CPython (aka Python) before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate.
- Products
- python-py
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2013-7440
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 17:27 UTC · Revision 1
Source evidence
CVE-2013-7440 affecting package python-py 1.11.0-1
core-osv · Original sourcePublished 7 Jun 2016, 18:59 UTC
The ssl.match_hostname function in CPython (aka Python) before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate.
osv:AZL-109599
python-py
Fixed versions: Not specified
Complete source record
{
"id": "ae398aecc15e3f2f763cce10a6978f039042f1a861eba1f5d3a17efb32a9ec57",
"url": "https://osv.dev/vulnerability/AZL-109599",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2013-7440 affecting package python-py 1.11.0-1",
"summary": "The ssl.match_hostname function in CPython (aka Python) before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate.",
"evidence": "osv:AZL-109599",
"products": [
{
"name": {
"value": "python-py",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "AZL-109599",
"aliases": [
"AZL-109599"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "1.11.0-1"
}
]
}
],
"package": {
"name": "python-py",
"purl": "pkg:rpm/azure-linux/python-py",
"ecosystem": "Azure Linux:3"
},
"database_specific": {
"source": "https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-109599.json"
}
}
],
"modified": "2026-10-27T05:36:16Z",
"provider": "osv",
"upstream": [
"CVE-2013-7440"
],
"references": [
"https://nvd.nist.gov/vuln/detail/CVE-2013-7440"
]
},
"related_cves": [
{
"value": "CVE-2013-7440",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 460493,
"published_at": "2016-06-07T18:59:00+00:00"
}