Medium
kdeconnect — security advisory
In kdeconnect-kde (aka KDE Connect) before 20.08.2, an attacker on the local network could send crafted packets that trigger use of large amounts of CPU, memory, or network connection slots, aka a Denial of Service attack.
- Products
- kdeconnect
- Affected versions
- 0.8-0ubuntu5, 1.0.3-0ubuntu2, 1.2.1-0ubuntu1, 1.2.1-0ubuntu2, 1.3.0-0ubuntu1, 1.3.1-0ubuntu0.1, 1.3.3-0ubuntu0.18.04.1, 1.3.5-0ubuntu1, 1.4-0ubuntu1, 1.4-0ubuntu2, 1.4-0ubuntu3, 1.4-0ubuntu4, 1.4-0ubuntu5, 21.08.1-0ubuntu1, 21.08.1-0ubuntu2, 21.08.3-0ubuntu1, 21.08.3-1ubuntu1, 21.11.80-0ubuntu1, 21.11.90-0ubuntu1, 21.11.90-0ubuntu2, 21.12.0-0ubuntu1, 21.12.1-0ubuntu1, 21.12.2-0ubuntu1, 21.12.3-0ubuntu1, 23.08.1-0ubuntu1, 23.08.2-0ubuntu1, 23.08.3-0ubuntu1, 23.08.4-0ubuntu1, 23.08.5-0ubuntu1, 23.08.5-0ubuntu4, 23.08.5-0ubuntu5, 24.12.3-0ubuntu2, 25.04.0-0ubuntu1, 25.04.0-0ubuntu2, 25.04.1-0ubuntu1, 25.04.2-0ubuntu2, 25.04.2-1ubuntu1, 25.04.3-0ubuntu1, 25.07.80-0ubuntu1, 25.07.90-0ubuntu1, 25.08.0-0ubuntu1, 25.08.1-0ubuntu1, 25.08.1-0ubuntu2, 25.08.1-0ubuntu2.1, 25.08.2-0ubuntu2, 25.08.3-0ubuntu1, 25.11.80-0ubuntu1, 25.11.80-0ubuntu2, 25.11.90-0ubuntu1, 25.12.0-0ubuntu1, 25.12.1-0ubuntu1, 25.12.1-0ubuntu2, 25.12.2-0ubuntu1, 25.12.2-0ubuntu3, 25.12.3-0ubuntu1, 26.04.0-1ubuntu1, 26.04.1-0ubuntu1, 26.04.2-0ubuntu1, 26.04.3-0ubuntu1, 26.04.3-1ubuntu1, 26.07.90-0ubuntu1, 26.08.0-0ubuntu1, 26.08.0-0ubuntu2, 26.08.1-0ubuntu1
- Fixed versions
- Not specified
- CVEs
- CVE-2020-26164
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:34 UTC · Revision 1
Source evidence
In kdeconnect-kde (aka KDE Connect) before 20.08.2, an attacker on the local network could send crafted packets that trigger use of large amounts of CPU, memory, or network connection slots, aka a Denial of Service attack.
osv:UBUNTU-CVE-2020-26164
kdeconnect
Fixed versions: Not specified
kdeconnect
Fixed versions: Not specified
kdeconnect
Fixed versions: Not specified
kdeconnect
Fixed versions: Not specified
kdeconnect
Fixed versions: Not specified
kdeconnect
Fixed versions: Not specified
kdeconnect
Fixed versions: Not specified
kdeconnect
Fixed versions: Not specified
Complete source record
{
"id": "9451f266fc42cbdb54e74e134e66c016b48929f6f5f919aa25c5695cb6e8ddaf",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-26164",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-26164",
"summary": "In kdeconnect-kde (aka KDE Connect) before 20.08.2, an attacker on the local network could send crafted packets that trigger use of large amounts of CPU, memory, or network connection slots, aka a Denial of Service attack.",
"evidence": "osv:UBUNTU-CVE-2020-26164",
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{
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{
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{
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{
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{
"name": {
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],
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},
{
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},
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},
"ecosystem_specific": {
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{
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},
{
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{
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"ecosystem": "Ubuntu:26.04:LTS"
},
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"25.11.80-0ubuntu2",
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"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26164.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "kdeconnect",
"binary_version": "25.12.3-0ubuntu1"
},
{
"binary_name": "kdeconnect-libs",
"binary_version": "25.12.3-0ubuntu1"
},
{
"binary_name": "nautilus-kdeconnect",
"binary_version": "25.12.3-0ubuntu1"
},
{
"binary_name": "qml6-module-org-kde-kdeconnect",
"binary_version": "25.12.3-0ubuntu1"
}
]
}
}
],
"modified": "2026-10-17T12:55:45.355833727Z",
"provider": "osv",
"upstream": [
"CVE-2020-26164"
],
"references": [
"https://ubuntu.com/security/CVE-2020-26164",
"https://kde.org/info/security/advisory-20201002-1.txt",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/f183b5447bad47655c21af87214579f03bf3a163",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/b279c52101d3f7cc30a26086d58de0b5f1c547fa",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/d35b88c1b25fe13715f9170f18674d476ca9acdc",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/b496e66899e5bc9547b6537a7f44ab44dd0aaf38",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/5310eae85dbdf92fba30375238a2481f2e34943e",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/721ba9faafb79aac73973410ee1dd3624ded97a5",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/ae58b9dec49c809b85b5404cee17946116f8a706",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/66c768aa9e7fba30b119c8b801efd49ed1270b0a",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/85b691e40f525e22ca5cc4ebe79c361d71d7dc05",
"https://invent.kde.org/network/kdeconnect-kde/-/commit/48180b46552d40729a36b7431e97bbe2b5379306",
"https://bugzilla.suse.com/show_bug.cgi?id=1176268",
"https://github.com/KDE/kdeconnect-kde/commit/024e5f23db8d8ad3449714b906b46094baaffb89",
"https://github.com/KDE/kdeconnect-kde/commit/4fbd01a3d44a0bcca888c49a77ec7cfd10e113d7",
"https://github.com/KDE/kdeconnect-kde/commit/542d94a70c56aa386c8d4d793481ce181b0422e8",
"https://github.com/KDE/kdeconnect-kde/commit/613899be24b6e2a6b3e5cc719efce8ae8a122991",
"https://github.com/KDE/kdeconnect-kde/commit/8112729eb0f13e6947984416118531078e65580d",
"https://github.com/KDE/kdeconnect-kde/commit/ce0f00fc2d3eccb51d0af4eba61a4f60de086a59",
"https://github.com/KDE/kdeconnect-kde/releases",
"https://kdeconnect.kde.org/official/",
"https://lists.opensuse.org/opensuse-security-announce/2020-10/msg00014.html",
"https://www.cve.org/CVERecord?id=CVE-2020-26164"
]
},
"related_cves": [
{
"value": "CVE-2020-26164",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354022,
"published_at": "2020-10-07T19:15:00+00:00"
}