ubuntu-cve-2020-18773
Vulnerability from osv_ubuntu
Published
2021-08-23 22:15
Modified
2026-05-20 14:52
Summary
Details

An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.

Severity

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "exiv2",
            "binary_version": "0.25-2.1ubuntu16.04.7+esm5"
          },
          {
            "binary_name": "libexiv2-14",
            "binary_version": "0.25-2.1ubuntu16.04.7+esm5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "exiv2",
        "purl": "pkg:deb/ubuntu/exiv2@0.25-2.1ubuntu16.04.7+esm5?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.25-1ubuntu1",
        "0.25-2.1",
        "0.25-2.1ubuntu16.04.1",
        "0.25-2.1ubuntu16.04.2",
        "0.25-2.1ubuntu16.04.3",
        "0.25-2.1ubuntu16.04.4",
        "0.25-2.1ubuntu16.04.5",
        "0.25-2.1ubuntu16.04.6",
        "0.25-2.1ubuntu16.04.7+esm1",
        "0.25-2.1ubuntu16.04.7+esm2",
        "0.25-2.1ubuntu16.04.7+esm3",
        "0.25-2.1ubuntu16.04.7+esm4",
        "0.25-2.1ubuntu16.04.7+esm5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "exiv2",
            "binary_version": "0.25-3.1ubuntu0.18.04.11+esm1"
          },
          {
            "binary_name": "libexiv2-14",
            "binary_version": "0.25-3.1ubuntu0.18.04.11+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "exiv2",
        "purl": "pkg:deb/ubuntu/exiv2@0.25-3.1ubuntu0.18.04.11+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.25-3.1",
        "0.25-3.1ubuntu0.18.04.1",
        "0.25-3.1ubuntu0.18.04.2",
        "0.25-3.1ubuntu0.18.04.3",
        "0.25-3.1ubuntu0.18.04.4",
        "0.25-3.1ubuntu0.18.04.5",
        "0.25-3.1ubuntu0.18.04.7",
        "0.25-3.1ubuntu0.18.04.9",
        "0.25-3.1ubuntu0.18.04.10",
        "0.25-3.1ubuntu0.18.04.11",
        "0.25-3.1ubuntu0.18.04.11+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "exiv2",
            "binary_version": "0.27.2-8ubuntu2.7+esm3"
          },
          {
            "binary_name": "libexiv2-27",
            "binary_version": "0.27.2-8ubuntu2.7+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "exiv2",
        "purl": "pkg:deb/ubuntu/exiv2@0.27.2-8ubuntu2.7+esm3?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.25-4ubuntu2",
        "0.25-4ubuntu3",
        "0.27.2-8ubuntu2",
        "0.27.2-8ubuntu2.2",
        "0.27.2-8ubuntu2.4",
        "0.27.2-8ubuntu2.5",
        "0.27.2-8ubuntu2.6",
        "0.27.2-8ubuntu2.7",
        "0.27.2-8ubuntu2.7+esm1",
        "0.27.2-8ubuntu2.7+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "exiv2",
            "binary_version": "0.27.5-3ubuntu1.3"
          },
          {
            "binary_name": "libexiv2-27",
            "binary_version": "0.27.5-3ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "exiv2",
        "purl": "pkg:deb/ubuntu/exiv2@0.27.5-3ubuntu1.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.27.3-3ubuntu4",
        "0.27.3-3.1ubuntu1",
        "0.27.5-1ubuntu1",
        "0.27.5-3ubuntu1",
        "0.27.5-3ubuntu1.1",
        "0.27.5-3ubuntu1.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "exiv2",
            "binary_version": "0.27.6-1ubuntu0.3"
          },
          {
            "binary_name": "libexiv2-27",
            "binary_version": "0.27.6-1ubuntu0.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "exiv2",
        "purl": "pkg:deb/ubuntu/exiv2@0.27.6-1ubuntu0.3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.27.6-1",
        "0.27.6-1build1",
        "0.27.6-1ubuntu0.1",
        "0.27.6-1ubuntu0.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "exiv2",
            "binary_version": "0.28.5+dfsg-1ubuntu0.3"
          },
          {
            "binary_name": "libexiv2-28",
            "binary_version": "0.28.5+dfsg-1ubuntu0.3"
          },
          {
            "binary_name": "libexiv2-data",
            "binary_version": "0.28.5+dfsg-1ubuntu0.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "exiv2",
        "purl": "pkg:deb/ubuntu/exiv2@0.28.5+dfsg-1ubuntu0.3?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.28.5+dfsg-1",
        "0.28.5+dfsg-1ubuntu0.1",
        "0.28.5+dfsg-1ubuntu0.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "exiv2",
            "binary_version": "0.28.8+dfsg-1"
          },
          {
            "binary_name": "libexiv2-28",
            "binary_version": "0.28.8+dfsg-1"
          },
          {
            "binary_name": "libexiv2-data",
            "binary_version": "0.28.8+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "exiv2",
        "purl": "pkg:deb/ubuntu/exiv2@0.28.8+dfsg-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.28.5+dfsg-1",
        "0.28.7+dfsg-2",
        "0.28.8+dfsg-1"
      ]
    }
  ],
  "aliases": [],
  "details": "An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.",
  "id": "UBUNTU-CVE-2020-18773",
  "modified": "2026-05-20T14:52:19Z",
  "published": "2021-08-23T22:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-18773"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-18773"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-18773"
  ]
}



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