ubuntu-cve-2020-26164
Vulnerability from osv_ubuntu
Published
2020-10-07 19:15
Modified
2026-05-20 14:52
Summary
Details

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.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "kdeconnect",
            "binary_version": "0.8-0ubuntu5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "kdeconnect",
        "purl": "pkg:deb/ubuntu/kdeconnect@0.8-0ubuntu5?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.8-0ubuntu5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "kdeconnect",
            "binary_version": "1.3.3-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "kdeconnect-plasma",
            "binary_version": "1.3.3-0ubuntu0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "kdeconnect",
        "purl": "pkg:deb/ubuntu/kdeconnect@1.3.3-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "kdeconnect",
            "binary_version": "1.4-0ubuntu5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "kdeconnect",
        "purl": "pkg:deb/ubuntu/kdeconnect@1.4-0ubuntu5?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.5-0ubuntu1",
        "1.4-0ubuntu1",
        "1.4-0ubuntu2",
        "1.4-0ubuntu3",
        "1.4-0ubuntu4",
        "1.4-0ubuntu5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "kdeconnect",
            "binary_version": "21.12.3-0ubuntu1"
          },
          {
            "binary_name": "nautilus-kdeconnect",
            "binary_version": "21.12.3-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "kdeconnect",
        "purl": "pkg:deb/ubuntu/kdeconnect@21.12.3-0ubuntu1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "kdeconnect",
            "binary_version": "23.08.5-0ubuntu5"
          },
          {
            "binary_name": "nautilus-kdeconnect",
            "binary_version": "23.08.5-0ubuntu5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "kdeconnect",
        "purl": "pkg:deb/ubuntu/kdeconnect@23.08.5-0ubuntu5?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "kdeconnect",
            "binary_version": "25.08.1-0ubuntu2.1"
          },
          {
            "binary_name": "kdeconnect-libs",
            "binary_version": "25.08.1-0ubuntu2.1"
          },
          {
            "binary_name": "nautilus-kdeconnect",
            "binary_version": "25.08.1-0ubuntu2.1"
          },
          {
            "binary_name": "qml6-module-org-kde-kdeconnect",
            "binary_version": "25.08.1-0ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "kdeconnect",
        "purl": "pkg:deb/ubuntu/kdeconnect@25.08.1-0ubuntu2.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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"
      ]
    },
    {
      "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"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "kdeconnect",
        "purl": "pkg:deb/ubuntu/kdeconnect@25.12.3-0ubuntu1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "25.08.1-0ubuntu2",
        "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"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2020-26164",
  "modified": "2026-05-20T14:52:28Z",
  "published": "2020-10-07T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-26164"
    },
    {
      "type": "REPORT",
      "url": "https://kde.org/info/security/advisory-20201002-1.txt"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/f183b5447bad47655c21af87214579f03bf3a163"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/b279c52101d3f7cc30a26086d58de0b5f1c547fa"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/d35b88c1b25fe13715f9170f18674d476ca9acdc"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/b496e66899e5bc9547b6537a7f44ab44dd0aaf38"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/5310eae85dbdf92fba30375238a2481f2e34943e"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/721ba9faafb79aac73973410ee1dd3624ded97a5"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/ae58b9dec49c809b85b5404cee17946116f8a706"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/66c768aa9e7fba30b119c8b801efd49ed1270b0a"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/85b691e40f525e22ca5cc4ebe79c361d71d7dc05"
    },
    {
      "type": "REPORT",
      "url": "https://invent.kde.org/network/kdeconnect-kde/-/commit/48180b46552d40729a36b7431e97bbe2b5379306"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1176268"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/KDE/kdeconnect-kde/commit/024e5f23db8d8ad3449714b906b46094baaffb89"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/KDE/kdeconnect-kde/commit/4fbd01a3d44a0bcca888c49a77ec7cfd10e113d7"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/KDE/kdeconnect-kde/commit/542d94a70c56aa386c8d4d793481ce181b0422e8"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/KDE/kdeconnect-kde/commit/613899be24b6e2a6b3e5cc719efce8ae8a122991"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/KDE/kdeconnect-kde/commit/8112729eb0f13e6947984416118531078e65580d"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/KDE/kdeconnect-kde/commit/ce0f00fc2d3eccb51d0af4eba61a4f60de086a59"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/KDE/kdeconnect-kde/releases"
    },
    {
      "type": "REPORT",
      "url": "https://kdeconnect.kde.org/official/"
    },
    {
      "type": "REPORT",
      "url": "https://lists.opensuse.org/opensuse-security-announce/2020-10/msg00014.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-26164"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-26164"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.