MediumFix available
telegram-desktop — security advisory
Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks end-user public and private IP addresses during a call because of an unsafe default behavior in which P2P connections are accepted from clients outside of the My Contacts list.
- Products
- telegram-desktop
- Affected versions
- 1.0.14-1, 1.0.29-1, 1.1.0-1, 1.1.10-1, 1.1.18-1, 1.1.19-1, 1.1.19-2, 1.1.23-1, 1.1.23-1~bpo9+1, 1.1.23-2, 1.1.23-3, 1.2.1-1, 1.2.1-2, 1.2.15-1, 1.2.17-1, 1.2.6-1, 1.2.6-2, 1.3.10-1, 1.3.10-2, 1.3.14-1, 1.3.7-1
- Fixed versions
- 1.4.0-1
- CVEs
- CVE-2018-17780
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:09 UTC · Revision 1
Source evidence
Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks end-user public and private IP addresses during a call because of an unsafe default behavior in which P2P connections are accepted from clients outside of the My Contacts list.
osv:DEBIAN-CVE-2018-17780
telegram-desktop
Fixed versions: 1.4.0-1
telegram-desktop
Fixed versions: 1.4.0-1
Complete source record
{
"id": "731b6ac4344a54772f91108b08d976bb47cedac6602f1893080f67341f306e1f",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-17780",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-17780",
"summary": "Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks end-user public and private IP addresses during a call because of an unsafe default behavior in which P2P connections are accepted from clients outside of the My Contacts list.",
"evidence": "osv:DEBIAN-CVE-2018-17780",
"products": [
{
"name": {
"value": "telegram-desktop",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.0-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "telegram-desktop",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.0-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "1.0.14-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.0.29-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.10-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.18-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.19-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.19-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.23-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.23-1~bpo9+1",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.23-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.23-3",
"evidence": "/affected/1/versions"
},
{
"value": "1.2.1-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.2.1-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.2.15-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.2.17-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.2.6-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.2.6-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.3.10-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.3.10-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.3.14-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.3.7-1",
"evidence": "/affected/1/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2018-17780",
"aliases": [
"DEBIAN-CVE-2018-17780"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.0-1"
}
]
}
],
"package": {
"name": "telegram-desktop",
"purl": "pkg:deb/debian/telegram-desktop?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-17780.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.0-1"
}
]
}
],
"package": {
"name": "telegram-desktop",
"purl": "pkg:deb/debian/telegram-desktop?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.0.14-1",
"1.0.29-1",
"1.1.0-1",
"1.1.10-1",
"1.1.18-1",
"1.1.19-1",
"1.1.19-2",
"1.1.23-1",
"1.1.23-1~bpo9+1",
"1.1.23-2",
"1.1.23-3",
"1.2.1-1",
"1.2.1-2",
"1.2.15-1",
"1.2.17-1",
"1.2.6-1",
"1.2.6-2",
"1.3.10-1",
"1.3.10-2",
"1.3.14-1",
"1.3.7-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-17780.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:02.010133670Z",
"provider": "osv",
"upstream": [
"CVE-2018-17780"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-17780"
]
},
"related_cves": [
{
"value": "CVE-2018-17780",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420169,
"published_at": "2018-09-29T19:29:00.237+00:00"
}