{
  "cveId": "CVE-2020-12762",
  "url": "https://patchblox.com/security/cve/CVE-2020-12762",
  "summary": "CVE-2020-12762 is fixed in 11 products on 1 platform, first by libjson-c3 0.12.1-1.3ubuntu0.3, released May 9, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "json-c: JSON-C implements a reference counting object model that allows users to easily construct JavaScript Object Notation...",
  "description": "JSON-C implements a reference counting object model that allows users to easily construct JavaScript Object Notation (JSON) objects in C, output them as JSON formatted strings, and parse JSON formatted strings back into the C representation of JSON objects.\n\nSecurity Fix(es):\n\n* json-c: integer overflow and out-of-bounds write via a large JSON file (CVE-2020-12762)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.",
  "published": "2020-05-09T11:15:00Z",
  "severity": "Moderate",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.01895,
  "epssPercentile": 0.79748,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "json-c",
      "release": "RHEL 8",
      "fixedVersion": "0:0.13.1-2.el8",
      "fix": "RHSA-2021:4382",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4382",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c",
      "release": "amzn 2023",
      "fixedVersion": "0.14-8.amzn2023.0.2",
      "fix": "ALAS2023-2023-232",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-232",
      "released": "2023-06-21T19:11:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c",
      "release": "ol 8",
      "fixedVersion": "0:0.13.1-2.el8",
      "fix": "ELSA-2021-4382",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4382",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c",
      "release": "rocky 8",
      "fixedVersion": "0:0.13.1-2.el8",
      "fix": "RLSA-2021:4382",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2021-4382",
      "released": "2021-11-09T13:10:09Z"
    },
    {
      "platform": "linux",
      "product": "json-c-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "0.14-8.amzn2023.0.2",
      "fix": "ALAS2023-2023-232",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-232",
      "released": "2023-06-21T19:11:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "0.14-8.amzn2023.0.2",
      "fix": "ALAS2023-2023-232",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-232",
      "released": "2023-06-21T19:11:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:0.13.1-2.el8",
      "fix": "RHSA-2021:4382",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4382",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c-devel",
      "release": "almalinux 8",
      "fixedVersion": "0.13.1-2.el8",
      "fix": "ALSA-2021:4382",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4382",
      "released": "2021-11-09T13:10:09Z"
    },
    {
      "platform": "linux",
      "product": "json-c-devel",
      "release": "amzn 2023",
      "fixedVersion": "0.14-8.amzn2023.0.2",
      "fix": "ALAS2023-2023-232",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-232",
      "released": "2023-06-21T19:11:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c-devel",
      "release": "ol 8",
      "fixedVersion": "0:0.13.1-2.el8",
      "fix": "ELSA-2021-4382",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4382",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c-doc",
      "release": "RHEL 8",
      "fixedVersion": "0:0.13.1-2.el8",
      "fix": "RHSA-2021:4382",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4382",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c-doc",
      "release": "almalinux 8",
      "fixedVersion": "0.13.1-2.el8",
      "fix": "ALSA-2021:4382",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4382",
      "released": "2021-11-09T13:10:09Z"
    },
    {
      "platform": "linux",
      "product": "json-c-doc",
      "release": "amzn 2023",
      "fixedVersion": "0.14-8.amzn2023.0.2",
      "fix": "ALAS2023-2023-232",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-232",
      "released": "2023-06-21T19:11:00Z"
    },
    {
      "platform": "linux",
      "product": "json-c-doc",
      "release": "ol 8",
      "fixedVersion": "0:0.13.1-2.el8",
      "fix": "ELSA-2021-4382",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4382",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "0.99.9-1\u002Bdeb11u1",
      "fix": "DLA-4258-1",
      "url": "https://patchblox.com/security/fix/linux/dla-4258-1",
      "released": "2025-07-28T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "RHEL 8",
      "fixedVersion": "0:0.99.9-2.el8",
      "fix": "RHSA-2023:6976",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6976",
      "released": "2023-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "RHEL 9",
      "fixedVersion": "0:0.99.9-5.el9",
      "fix": "RHSA-2023:6431",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6431",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "almalinux 8",
      "fixedVersion": "0.99.9-2.el8",
      "fix": "ALSA-2023:6976",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6976",
      "released": "2023-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "almalinux 9",
      "fixedVersion": "0.99.9-5.el9",
      "fix": "ALSA-2023:6431",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6431",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "amzn 2023",
      "fixedVersion": "0.99.9-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-205",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-205",
      "released": "2023-06-05T16:39:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "ol 8",
      "fixedVersion": "0:0.99.9-2.el8",
      "fix": "ELSA-2023-6976",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6976",
      "released": "2023-11-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "ol 9",
      "fixedVersion": "0:0.99.9-5.el9",
      "fix": "ELSA-2023-6431",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6431",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "rocky 8",
      "fixedVersion": "0:0.99.9-2.el8",
      "fix": "RLSA-2023:6976",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2023-6976",
      "released": "2026-06-27T00:01:04Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson",
      "release": "rocky 9",
      "fixedVersion": "0:0.99.9-5.el9",
      "fix": "RLSA-2023:6431",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2023-6431",
      "released": "2026-06-25T12:03:37Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "0.99.9-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-205",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-205",
      "released": "2023-06-05T16:39:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "0.99.9-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-205",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-205",
      "released": "2023-06-05T16:39:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:0.99.9-5.el9",
      "fix": "RHSA-2023:6431",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6431",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson-devel",
      "release": "almalinux 9",
      "fixedVersion": "0.99.9-5.el9",
      "fix": "ALSA-2023:6431",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6431",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson-devel",
      "release": "amzn 2023",
      "fixedVersion": "0.99.9-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-205",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-205",
      "released": "2023-06-05T16:39:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastjson-devel",
      "release": "ol 9",
      "fixedVersion": "0:0.99.9-5.el9",
      "fix": "ELSA-2023-6431",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6431",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libjson-c3",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.12.1-1.3ubuntu0.3",
      "fix": "libjson-c3 0.12.1-1.3ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libjson-c3-0.12.1-1.3ubuntu0.3",
      "released": "2020-05-09T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libjson-c4",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.13.1\u002Bdfsg-7ubuntu0.3",
      "fix": "libjson-c4 0.13.1\u002Bdfsg-7ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libjson-c4-0.13.1-dfsg-7ubuntu0.3",
      "released": "2020-05-09T11:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}