{
  "cveId": "CVE-2021-1817",
  "url": "https://patchblox.com/security/cve/CVE-2021-1817",
  "summary": "CVE-2021-1817 is fixed in 18 products on 1 platform, first by RHSA-2021:1586, released May 18, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
  "description": "GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a later upstream version: accountsservice (0.6.55), webkit2gtk3 (2.30.4). (BZ#1846376, BZ#1883304)\n\nSecurity Fix(es):\n\n* webkitgtk: type confusion may lead to arbitrary code execution (CVE-2020-9948)\n\n* webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-9951)\n\n* webkitgtk: out-of-bounds write may lead to code execution (CVE-2020-9983)\n\n* webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13543)\n\n* webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13584)\n\n* glib2: insecure permissions for files and directories (CVE-2019-13012)\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 8.4 Release Notes linked from the References section.",
  "published": "2021-05-18T00:00:00Z",
  "severity": "Moderate",
  "cvss": 8.8,
  "epss": 0.01939,
  "epssPercentile": 0.80228,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "gdm",
      "release": "RHEL 8",
      "fixedVersion": "1:3.28.3-39.el8",
      "fix": "RHSA-2021:1586",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1586",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gir1.2-javascriptcoregtk-4.0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.30.3-0ubuntu0.18.04.1",
      "fix": "gir1.2-javascriptcoregtk-4.0 2.30.3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gir1.2-javascriptcoregtk-4.0-2.30.3-0ubuntu0.18.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gir1.2-javascriptcoregtk-4.0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.30.3-0ubuntu0.20.04.1",
      "fix": "gir1.2-javascriptcoregtk-4.0 2.30.3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-gir1.2-javascriptcoregtk-4.0-2.30.3-0ubuntu0.20.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gir1.2-webkit2-4.0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.30.3-0ubuntu0.18.04.1",
      "fix": "gir1.2-webkit2-4.0 2.30.3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gir1.2-webkit2-4.0-2.30.3-0ubuntu0.18.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gir1.2-webkit2-4.0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.30.3-0ubuntu0.20.04.1",
      "fix": "gir1.2-webkit2-4.0 2.30.3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-gir1.2-webkit2-4.0-2.30.3-0ubuntu0.20.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "fix": "RHSA-2021:1586",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1586",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "fix": "RHSA-2021:1586",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1586",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2-doc",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "fix": "RHSA-2021:1586",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1586",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2-fam",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "fix": "RHSA-2021:1586",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1586",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2-static",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "fix": "RHSA-2021:1586",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1586",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2-tests",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "fix": "RHSA-2021:1586",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1586",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libjavascriptcoregtk-4.0-18",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.30.3-0ubuntu0.18.04.1",
      "fix": "libjavascriptcoregtk-4.0-18 2.30.3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-18-2.30.3-0ubuntu0.18.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libjavascriptcoregtk-4.0-18",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.30.3-0ubuntu0.20.04.1",
      "fix": "libjavascriptcoregtk-4.0-18 2.30.3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-18-2.30.3-0ubuntu0.20.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libjavascriptcoregtk-4.0-bin",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.30.3-0ubuntu0.18.04.1",
      "fix": "libjavascriptcoregtk-4.0-bin 2.30.3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-bin-2.30.3-0ubuntu0.18.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libjavascriptcoregtk-4.0-bin",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.30.3-0ubuntu0.20.04.1",
      "fix": "libjavascriptcoregtk-4.0-bin 2.30.3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-bin-2.30.3-0ubuntu0.20.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebkit2gtk-4.0-37",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.30.3-0ubuntu0.18.04.1",
      "fix": "libwebkit2gtk-4.0-37 2.30.3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-2.30.3-0ubuntu0.18.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebkit2gtk-4.0-37",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.30.3-0ubuntu0.20.04.1",
      "fix": "libwebkit2gtk-4.0-37 2.30.3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-2.30.3-0ubuntu0.20.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebkit2gtk-4.0-37-gtk2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.30.3-0ubuntu0.18.04.1",
      "fix": "libwebkit2gtk-4.0-37-gtk2 2.30.3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-gtk2-2.30.3-0ubuntu0.18.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebkit2gtk-4.0-37-gtk2",
      "release": "Ubuntu 20.04 LTS (focal)",
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      "fix": "libwebkit2gtk-4.0-37-gtk2 2.30.3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-gtk2-2.30.3-0ubuntu0.20.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
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      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.30.3-0ubuntu0.18.04.1",
      "fix": "webkit2gtk-driver 2.30.3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-webkit2gtk-driver-2.30.3-0ubuntu0.18.04.1",
      "released": "2021-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "webkit2gtk-driver",
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      "fixedVersion": "2.30.3-0ubuntu0.20.04.1",
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      "released": "2021-09-08T08:15:00Z"
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    {
      "platform": "linux",
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      "released": "2021-05-18T00:00:00Z"
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      "released": "2021-05-18T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}