vuln-ubuntu/data/osv/usn/USN-4360-4.json

{
  "schema_version": "1.7.0",
  "id": "USN-4360-4",
  "summary": "json-c vulnerability",
  "details": "USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a\nmemory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides\nthe correct fix update for CVE-2020-12762.\n\nOriginal advisory details:\n\n It was discovered that json-c incorrectly handled certain JSON files.\n An attacker could possibly use this issue to execute arbitrary code.\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2020-12762"
  ],
  "related": [],
  "published": "2020-05-28T11:33:22Z",
  "modified": "2026-06-29T10:52:45Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "json-c",
        "purl": "pkg:deb/ubuntu/json-c@0.11-3ubuntu1.2+esm3?arch=source&distro=trusty/esm"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.11-3ubuntu1.2+esm3"
            }
          ]
        }
      ],
      "versions": [
        "0.11-2ubuntu1",
        "0.11-3ubuntu1",
        "0.11-3ubuntu1.2",
        "0.11-3ubuntu1.2+esm1",
        "0.11-3ubuntu1.2+esm2"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libjson-c2",
            "binary_version": "0.11-3ubuntu1.2+esm3"
          },
          {
            "binary_name": "libjson0",
            "binary_version": "0.11-3ubuntu1.2+esm3"
          }
        ],
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:Pro:14.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-12762",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "json-c",
        "purl": "pkg:deb/ubuntu/json-c@0.11-4ubuntu2.6?arch=source&distro=xenial"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.11-4ubuntu2.6"
            }
          ]
        }
      ],
      "versions": [
        "0.11-4ubuntu2",
        "0.11-4ubuntu2.1",
        "0.11-4ubuntu2.2",
        "0.11-4ubuntu2.5"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libjson-c2",
            "binary_version": "0.11-4ubuntu2.6"
          },
          {
            "binary_name": "libjson0",
            "binary_version": "0.11-4ubuntu2.6"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:16.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-12762",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "json-c",
        "purl": "pkg:deb/ubuntu/json-c@0.12.1-1.3ubuntu0.3?arch=source&distro=bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.12.1-1.3ubuntu0.3"
            }
          ]
        }
      ],
      "versions": [
        "0.12.1-1.2",
        "0.12.1-1.3",
        "0.12.1-1.3ubuntu0.1",
        "0.12.1-1.3ubuntu0.2"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libjson-c3",
            "binary_version": "0.12.1-1.3ubuntu0.3"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:18.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-12762",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "json-c",
        "purl": "pkg:deb/ubuntu/json-c@0.13.1+dfsg-7ubuntu0.3?arch=source&distro=focal"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.13.1+dfsg-7ubuntu0.3"
            }
          ]
        }
      ],
      "versions": [
        "0.13.1+dfsg-4",
        "0.13.1+dfsg-6",
        "0.13.1+dfsg-7",
        "0.13.1+dfsg-7ubuntu0.1",
        "0.13.1+dfsg-7ubuntu0.2"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libjson-c4",
            "binary_version": "0.13.1+dfsg-7ubuntu0.3"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:20.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-12762",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4360-4"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-12762"
    }
  ]
}