owncloud-client — security advisory
ownCloud Desktop Client before 1.8.2 does not call QNetworkReply::ignoreSslErrors with the list of errors to be ignored, which allows man-in-the-middle attackers to bypass the user's certificate distrust decision and obtain sensitive information by leveraging a self-signed certificate and a connection to a server using its own self-signed certificate.
- Products
- owncloud-client
- Affected versions
- Not specified
- Fixed versions
- 1.8.4+dfsg-1
- CVEs
- CVE-2015-4456
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 29 Oct 2026, 13:52 UTC · Revision 1
Source evidence
ownCloud Desktop Client before 1.8.2 does not call QNetworkReply::ignoreSslErrors with the list of errors to be ignored, which allows man-in-the-middle attackers to bypass the user's certificate distrust decision and obtain sensitive information by leveraging a self-signed certificate and a connection to a server using its own self-signed certificate.
osv:DEBIAN-CVE-2015-4456
owncloud-client
Fixed versions: 1.8.4+dfsg-1
owncloud-client
Fixed versions: 1.8.4+dfsg-1
Complete source record
{
"id": "0c01537cb8e8ca5420ec294afd8869f7879320c02aa76d4e3df6645dcfbc3838",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2015-4456",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2015-4456",
"summary": "ownCloud Desktop Client before 1.8.2 does not call QNetworkReply::ignoreSslErrors with the list of errors to be ignored, which allows man-in-the-middle attackers to bypass the user's certificate distrust decision and obtain sensitive information by leveraging a self-signed certificate and a connection to a server using its own self-signed certificate.",
"evidence": "osv:DEBIAN-CVE-2015-4456",
"products": [
{
"name": {
"value": "owncloud-client",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.4+dfsg-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "owncloud-client",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.4+dfsg-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2015-4456",
"aliases": [
"DEBIAN-CVE-2015-4456"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.4+dfsg-1"
}
]
}
],
"package": {
"name": "owncloud-client",
"purl": "pkg:deb/debian/owncloud-client?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-4456.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.4+dfsg-1"
}
]
}
],
"package": {
"name": "owncloud-client",
"purl": "pkg:deb/debian/owncloud-client?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-4456.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-10T16:00:03.688095628Z",
"provider": "osv",
"upstream": [
"CVE-2015-4456"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2015-4456"
]
},
"related_cves": [
{
"value": "CVE-2015-4456",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 250463,
"published_at": "2015-10-26T14:59:00.107+00:00"
}