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kodi — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2021-42917

Buffer overflow vulnerability in Kodi xbmc up to 19.0, allows attackers to cause a denial of service due to improper length of values passed to istream.

Products
kodi
Affected versions
15.1+dfsg1-3, 15.2+dfsg1-1build1, 15.2+dfsg1-3, 15.2+dfsg1-3ubuntu1, 15.2+dfsg1-3ubuntu1.1, 2:17.3+dfsg1-3, 2:17.3+dfsg1-3build1, 2:17.3+dfsg1-5, 2:17.3+dfsg1-5build1, 2:17.3+dfsg1-5build2, 2:17.6+dfsg1-1, 2:17.6+dfsg1-1build1, 2:17.6+dfsg1-1ubuntu1, 2:17.6+dfsg1-4ubuntu10, 2:17.6+dfsg1-4ubuntu4, 2:17.6+dfsg1-4ubuntu9, 2:18.5+dfsg1-0ubuntu3, 2:18.6+dfsg1-2ubuntu1, 2:19.1+dfsg2-2, 2:19.3+dfsg1-1, 2:19.3+dfsg1-1build2, 2:19.3+dfsg1-1build3, 2:19.3+dfsg1-1build4, 2:19.3+dfsg1-1build5, 2:19.4+dfsg1-2, 2:20.2+dfsg-4, 2:20.2+dfsg-4build1, 2:20.2+dfsg-4build2, 2:20.2+dfsg-4ubuntu1, 2:20.3+dfsg-1, 2:20.4+dfsg-1, 2:20.5+dfsg-1build2, 2:20.5+dfsg-1ubuntu1, 2:21.2+dfsg-1build2, 2:21.2+dfsg-4, 2:21.2+dfsg-4build1, 2:21.2+dfsg-4build2, 2:21.2+dfsg-4build3, 2:21.2+dfsg-5, 2:21.3+dfsg-1, 2:21.3+dfsg-1.2, 2:21.3+dfsg-1build1, 2:21.3+dfsg-1ubuntu1
Fixed versions
Not specified
CVEs
CVE-2021-42917
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 00:55 UTC · Revision 1

Source evidence

UBUNTU-CVE-2021-42917

core-osv · Original source

Published 1 Nov 2021, 19:15 UTC

Buffer overflow vulnerability in Kodi xbmc up to 19.0, allows attackers to cause a denial of service due to improper length of values passed to istream.

osv:UBUNTU-CVE-2021-42917

kodi

Fixed versions: Not specified

kodi

Fixed versions: Not specified

kodi

Fixed versions: Not specified

kodi

Fixed versions: Not specified

kodi

Fixed versions: Not specified

kodi

Fixed versions: Not specified

kodi

Fixed versions: Not specified

kodi

Fixed versions: Not specified

Complete source record
{
  "id": "abddd16697ba6edb1b694659abe58769f99ede733e69fe2d77ab055132b5ef33",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-42917",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2021-42917",
    "summary": "Buffer overflow vulnerability in Kodi xbmc up to 19.0, allows attackers to cause a denial of service due to improper length of values passed to istream.",
    "evidence": "osv:UBUNTU-CVE-2021-42917",
    "products": [
      {
        "name": {
          "value": "kodi",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "15.1+dfsg1-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "15.2+dfsg1-1build1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "15.2+dfsg1-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "15.2+dfsg1-3ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "15.2+dfsg1-3ubuntu1.1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "kodi",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2:17.3+dfsg1-3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2:17.3+dfsg1-3build1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2:17.3+dfsg1-5",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2:17.3+dfsg1-5build1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2:17.3+dfsg1-5build2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2:17.6+dfsg1-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2:17.6+dfsg1-1build1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2:17.6+dfsg1-1ubuntu1",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "kodi",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2:17.6+dfsg1-4ubuntu4",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2:17.6+dfsg1-4ubuntu9",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2:17.6+dfsg1-4ubuntu10",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2:18.5+dfsg1-0ubuntu3",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2:18.6+dfsg1-2ubuntu1",
            "evidence": "/affected/2/versions"
          }
        ]
      },
      {
        "name": {
          "value": "kodi",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2:19.1+dfsg2-2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2:19.3+dfsg1-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2:19.3+dfsg1-1build2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2:19.3+dfsg1-1build3",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2:19.3+dfsg1-1build4",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2:19.3+dfsg1-1build5",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2:19.4+dfsg1-2",
            "evidence": "/affected/3/versions"
          }
        ]
      },
      {
        "name": {
          "value": "kodi",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2:20.2+dfsg-4",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2:20.2+dfsg-4build1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2:20.2+dfsg-4build2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2:20.2+dfsg-4ubuntu1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2:20.3+dfsg-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2:20.4+dfsg-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2:20.5+dfsg-1build2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2:20.5+dfsg-1ubuntu1",
            "evidence": "/affected/4/versions"
          }
        ]
      },
      {
        "name": {
          "value": "kodi",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2:21.2+dfsg-1build2",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "2:21.2+dfsg-4",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "2:21.2+dfsg-4build1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "2:21.2+dfsg-4build2",
            "evidence": "/affected/5/versions"
          }
        ]
      },
      {
        "name": {
          "value": "kodi",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2:21.3+dfsg-1ubuntu1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "2:21.3+dfsg-1.2",
            "evidence": "/affected/6/versions"
          }
        ]
      },
      {
        "name": {
          "value": "kodi",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2:21.2+dfsg-4build2",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "2:21.2+dfsg-4build3",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "2:21.2+dfsg-5",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "2:21.3+dfsg-1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "2:21.3+dfsg-1build1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "2:21.3+dfsg-1ubuntu1",
            "evidence": "/affected/7/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2021-42917",
      "aliases": [
        "UBUNTU-CVE-2021-42917"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "kodi",
            "purl": "pkg:deb/ubuntu/kodi?arch=source&distro=xenial",
            "ecosystem": "Ubuntu:16.04:LTS"
          },
          "versions": [
            "15.1+dfsg1-3",
            "15.2+dfsg1-1build1",
            "15.2+dfsg1-3",
            "15.2+dfsg1-3ubuntu1",
            "15.2+dfsg1-3ubuntu1.1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42917.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "kodi",
                "binary_version": "15.2+dfsg1-3ubuntu1.1"
              },
              {
                "binary_name": "kodi-bin",
                "binary_version": "15.2+dfsg1-3ubuntu1.1"
              },
              {
                "binary_name": "kodi-data",
                "binary_version": "15.2+dfsg1-3ubuntu1.1"
              },
              {
                "binary_name": "kodi-eventclients-common",
                "binary_version": "15.2+dfsg1-3ubuntu1.1"
              },
              {
                "binary_name": "kodi-eventclients-j2me",
                "binary_version": "15.2+dfsg1-3ubuntu1.1"
              },
              {
                "binary_name": "kodi-eventclients-kodi-send",
                "binary_version": "15.2+dfsg1-3ubuntu1.1"
              },
              {
                "binary_name": "kodi-eventclients-ps3",
                "binary_version": "15.2+dfsg1-3ubuntu1.1"
              },
              {
                "binary_name": "kodi-eventclients-wiiremote",
                "binary_version": "15.2+dfsg1-3ubuntu1.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "kodi",
            "purl": "pkg:deb/ubuntu/kodi?arch=source&distro=bionic",
            "ecosystem": "Ubuntu:18.04:LTS"
          },
          "versions": [
            "2:17.3+dfsg1-3",
            "2:17.3+dfsg1-3build1",
            "2:17.3+dfsg1-5",
            "2:17.3+dfsg1-5build1",
            "2:17.3+dfsg1-5build2",
            "2:17.6+dfsg1-1",
            "2:17.6+dfsg1-1build1",
            "2:17.6+dfsg1-1ubuntu1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42917.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "kodi",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "kodi-bin",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "kodi-data",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-common",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-kodi-send",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-ps3",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-wiiremote",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "kodi-repository-kodi",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "xbmc",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "xbmc-bin",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "xbmc-eventclients-common",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "xbmc-eventclients-ps3",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "xbmc-eventclients-wiiremote",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              },
              {
                "binary_name": "xbmc-eventclients-xbmc-send",
                "binary_version": "2:17.6+dfsg1-1ubuntu1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "kodi",
            "purl": "pkg:deb/ubuntu/kodi?arch=source&distro=focal",
            "ecosystem": "Ubuntu:20.04:LTS"
          },
          "versions": [
            "2:17.6+dfsg1-4ubuntu4",
            "2:17.6+dfsg1-4ubuntu9",
            "2:17.6+dfsg1-4ubuntu10",
            "2:18.5+dfsg1-0ubuntu3",
            "2:18.6+dfsg1-2ubuntu1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42917.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "kodi",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-bin",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-data",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-common",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-kodi-send",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-ps3",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-wiiremote",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-gbm",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-repository-kodi",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-wayland",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              },
              {
                "binary_name": "kodi-x11",
                "binary_version": "2:18.6+dfsg1-2ubuntu1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "kodi",
            "purl": "pkg:deb/ubuntu/kodi?arch=source&distro=jammy",
            "ecosystem": "Ubuntu:22.04:LTS"
          },
          "versions": [
            "2:19.1+dfsg2-2",
            "2:19.3+dfsg1-1",
            "2:19.3+dfsg1-1build2",
            "2:19.3+dfsg1-1build3",
            "2:19.3+dfsg1-1build4",
            "2:19.3+dfsg1-1build5",
            "2:19.4+dfsg1-2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42917.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "kodi",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-addons-dev-common",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-bin",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-data",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-eventclients-common",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-eventclients-dev-common",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-eventclients-kodi-send",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-eventclients-ps3",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-eventclients-python",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-eventclients-wiiremote",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-eventclients-zeroconf",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-repository-kodi",
                "binary_version": "2:19.4+dfsg1-2"
              },
              {
                "binary_name": "kodi-tools-texturepacker",
                "binary_version": "2:19.4+dfsg1-2"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "kodi",
            "purl": "pkg:deb/ubuntu/kodi?arch=source&distro=noble",
            "ecosystem": "Ubuntu:24.04:LTS"
          },
          "versions": [
            "2:20.2+dfsg-4",
            "2:20.2+dfsg-4build1",
            "2:20.2+dfsg-4build2",
            "2:20.2+dfsg-4ubuntu1",
            "2:20.3+dfsg-1",
            "2:20.4+dfsg-1",
            "2:20.5+dfsg-1build2",
            "2:20.5+dfsg-1ubuntu1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42917.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "kodi",
                "binary_version": "2:20.5+dfsg-1ubuntu1"
              },
              {
                "binary_name": "kodi-addons-dev-common",
                "binary_version": "2:20.5+dfsg-1ubuntu1"
              },
              {
                "binary_name": "kodi-bin",
                "binary_version": "2:20.5+dfsg-1ubuntu1"
              },
              {
                "binary_name": "kodi-data",
                "binary_version": "2:20.5+dfsg-1ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-common",
                "binary_version": "2:20.5+dfsg-1ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-dev-common",
                "binary_version": "2:20.5+dfsg-1ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-kodi-send",
                "binary_version": "2:20.5+dfsg-1ubuntu1"
              },
              {
                "binary_name": "kodi-eventclients-ps3",
                "binary_version": "2:20.5+dfsg-1ubuntu1"
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      "modified": "2026-10-17T12:56:15.909816802Z",
      "provider": "osv",
      "upstream": [
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      "references": [
        "https://ubuntu.com/security/CVE-2021-42917",
        "https://github.com/xbmc/xbmc/commit/80c8138c09598e88b4ddb6dbb279fa193bbb3237",
        "https://github.com/xbmc/xbmc/issues/20305",
        "https://github.com/xbmc/xbmc/pull/20306",
        "https://github.com/fuzzard/xbmc/commit/80c8138c09598e88b4ddb6dbb279fa193bbb3237",
        "https://github.com/xbmc/xbmc/commit/48730b64494798705d46dfccc4029bd36d072df3",
        "https://www.cve.org/CVERecord?id=CVE-2021-42917"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-42917",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 355080,
  "published_at": "2021-11-01T19:15:00+00:00"
}