High
Security advisory
In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-7396
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:57 UTC · Revision 1
Source evidence
In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server.
osv:CVE-2017-7396
Complete source record
{
"id": "d08a53c869429b7d4dead61750447d41c7f7c1ca9a9667bd3af2f3244ab13fe1",
"url": "https://osv.dev/vulnerability/CVE-2017-7396",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-7396",
"summary": "In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server.",
"evidence": "osv:CVE-2017-7396",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-7396",
"aliases": [
"CVE-2017-7396"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/tigervnc/tigervnc",
"type": "GIT",
"events": [
{
"introduced": "6172cc01dd7d1493064571b341c978e2df7725d7"
},
{
"last_affected": "6172cc01dd7d1493064571b341c978e2df7725d7"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:tigervnc:tigervnc:1.7.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.7.1"
},
{
"last_affected": "1.7.1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.7.1",
"v1.7.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7396.json"
}
}
],
"modified": "2026-10-20T10:49:28.002897826Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2017:2000",
"https://security.gentoo.org/glsa/201801-13",
"https://github.com/TigerVNC/tigervnc/pull/436",
"https://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-7396",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 380466,
"published_at": "2017-04-01T02:59:00.397+00:00"
}