ubuntu-cve-2020-29260
Vulnerability from osv_ubuntu
Published
2022-09-02 23:15
Modified
2026-06-23 19:48
Summary
Details

libvncclient v0.9.13 was discovered to contain a memory leak via the function rfbClientCleanup().


{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncserver",
            "binary_version": "1.3.9-6.5+deb8u1build0.14.04.1~esm1"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1.3.9-6.5+deb8u1build0.14.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1.3.9-6.5+deb8u1build0.14.04.1~esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.9-6.4",
        "1.3.9-6.4ubuntu1",
        "1.3.9-6.5+deb8u1build0.14.04.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "x11vnc",
            "binary_version": "0.9.13-1.1"
          },
          {
            "binary_name": "x11vnc-data",
            "binary_version": "0.9.13-1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "x11vnc",
        "purl": "pkg:deb/ubuntu/x11vnc@0.9.13-1.1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.13-1.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libvncclient1",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
          },
          {
            "binary_name": "libvncserver-config",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
          },
          {
            "binary_name": "libvncserver1",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libvncserver",
        "purl": "pkg:deb/ubuntu/libvncserver@0.9.10+dfsg-3ubuntu0.16.04.6?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.10+dfsg-3",
        "0.9.10+dfsg-3build1",
        "0.9.10+dfsg-3ubuntu0.16.04.1",
        "0.9.10+dfsg-3ubuntu0.16.04.2",
        "0.9.10+dfsg-3ubuntu0.16.04.3",
        "0.9.10+dfsg-3ubuntu0.16.04.4",
        "0.9.10+dfsg-3ubuntu0.16.04.5",
        "0.9.10+dfsg-3ubuntu0.16.04.6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "italc-client",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          },
          {
            "binary_name": "italc-management-console",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          },
          {
            "binary_name": "italc-master",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          },
          {
            "binary_name": "libitalccore",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "italc",
        "purl": "pkg:deb/ubuntu/italc@1:2.0.2+dfsg1-4ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.0.2+dfsg1-3",
        "1:2.0.2+dfsg1-4",
        "1:2.0.2+dfsg1-4ubuntu0.1"
      ]
    },
    {
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        "binaries": [
          {
            "binary_name": "tightvncserver",
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          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1.3.10-0ubuntu3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1.3.10-0ubuntu3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
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          },
          {
            "binary_name": "x11vnc-data",
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          }
        ]
      },
      "package": {
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      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
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      ]
    },
    {
      "ecosystem_specific": {
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          },
          {
            "binary_name": "libvncserver-config",
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          },
          {
            "binary_name": "libvncserver1",
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          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libvncserver",
        "purl": "pkg:deb/ubuntu/libvncserver@0.9.11+dfsg-1ubuntu1.4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "0.9.11+dfsg-1ubuntu1",
        "0.9.11+dfsg-1ubuntu1.1",
        "0.9.11+dfsg-1ubuntu1.2",
        "0.9.11+dfsg-1ubuntu1.3",
        "0.9.11+dfsg-1ubuntu1.4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "italc-client",
            "binary_version": "1:3.0.3+dfsg1-3ubuntu0.1"
          },
          {
            "binary_name": "italc-management-console",
            "binary_version": "1:3.0.3+dfsg1-3ubuntu0.1"
          },
          {
            "binary_name": "italc-master",
            "binary_version": "1:3.0.3+dfsg1-3ubuntu0.1"
          },
          {
            "binary_name": "libitalccore",
            "binary_version": "1:3.0.3+dfsg1-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "italc",
        "purl": "pkg:deb/ubuntu/italc@1:3.0.3+dfsg1-3ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
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      ],
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        "1:3.0.3+dfsg1-3",
        "1:3.0.3+dfsg1-3ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncserver",
            "binary_version": "1.3.10-0ubuntu4"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1.3.10-0ubuntu4"
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
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            {
              "introduced": "0"
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      ],
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    },
    {
      "ecosystem_specific": {
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          {
            "binary_name": "x11vnc",
            "binary_version": "0.9.13-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "x11vnc-data",
            "binary_version": "0.9.13-3ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
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        {
          "events": [
            {
              "introduced": "0"
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    },
    {
      "ecosystem_specific": {
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          {
            "binary_name": "libvncclient1",
            "binary_version": "0.9.12+dfsg-9ubuntu0.3"
          },
          {
            "binary_name": "libvncserver1",
            "binary_version": "0.9.12+dfsg-9ubuntu0.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libvncserver",
        "purl": "pkg:deb/ubuntu/libvncserver@0.9.12+dfsg-9ubuntu0.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "0.9.12+dfsg-9ubuntu0.1",
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      ]
    },
    {
      "ecosystem_specific": {
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          {
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          },
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            "binary_name": "xtightvncviewer",
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      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
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    {
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          {
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          },
          {
            "binary_name": "veyon-service",
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        ]
      },
      "package": {
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      "ranges": [
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            }
          ],
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        "4.3.1+repack1-2build2"
      ]
    },
    {
      "ecosystem_specific": {
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          {
            "binary_name": "x11vnc",
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          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "x11vnc",
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      },
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        {
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        }
      ],
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    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncpasswd",
            "binary_version": "1:1.3.10-10"
          },
          {
            "binary_name": "tightvncserver",
            "binary_version": "1:1.3.10-10"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1:1.3.10-10"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-10?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.3.10-9",
        "1:1.3.10-10"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libveyon-core",
            "binary_version": "4.9.7+repack1-1"
          },
          {
            "binary_name": "veyon-configurator",
            "binary_version": "4.9.7+repack1-1"
          },
          {
            "binary_name": "veyon-master",
            "binary_version": "4.9.7+repack1-1"
          },
          {
            "binary_name": "veyon-plugins",
            "binary_version": "4.9.7+repack1-1"
          },
          {
            "binary_name": "veyon-service",
            "binary_version": "4.9.7+repack1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "veyon",
        "purl": "pkg:deb/ubuntu/veyon@4.9.7+repack1-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.7.5+repack1-1ubuntu6",
        "4.7.5+repack1-1ubuntu7",
        "4.9.7+repack1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "x11vnc",
            "binary_version": "0.9.17-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "x11vnc",
        "purl": "pkg:deb/ubuntu/x11vnc@0.9.17-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.16-10",
        "0.9.17-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncpasswd",
            "binary_version": "1:1.3.10-10build1"
          },
          {
            "binary_name": "tightvncserver",
            "binary_version": "1:1.3.10-10build1"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1:1.3.10-10build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-10build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.3.10-10",
        "1:1.3.10-10build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libveyon-core",
            "binary_version": "4.9.7+repack1-1build1"
          },
          {
            "binary_name": "veyon-configurator",
            "binary_version": "4.9.7+repack1-1build1"
          },
          {
            "binary_name": "veyon-master",
            "binary_version": "4.9.7+repack1-1build1"
          },
          {
            "binary_name": "veyon-plugins",
            "binary_version": "4.9.7+repack1-1build1"
          },
          {
            "binary_name": "veyon-service",
            "binary_version": "4.9.7+repack1-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "veyon",
        "purl": "pkg:deb/ubuntu/veyon@4.9.7+repack1-1build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.9.7+repack1-1",
        "4.9.7+repack1-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "x11vnc",
            "binary_version": "0.9.17-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "x11vnc",
        "purl": "pkg:deb/ubuntu/x11vnc@0.9.17-2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.17-1",
        "0.9.17-2"
      ]
    }
  ],
  "aliases": [],
  "details": "libvncclient v0.9.13 was discovered to contain a memory leak via the function rfbClientCleanup().",
  "id": "UBUNTU-CVE-2020-29260",
  "modified": "2026-06-23T19:48:51Z",
  "published": "2022-09-02T23:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-29260"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-29260"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8463-1"
    }
  ],
  "related": [
    "USN-8463-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-29260"
  ]
}



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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.

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Detection rules are retrieved from Rulezet.

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