{
  "fix": "RHSA-2021:1586",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1586",
  "summary": "RHSA-2021:1586, released May 18, 2021, fixes 12 CVEs across 11 products. One of them is being exploited (CVE-2021-30661); 1 on CISA KEV. Patch Radar priority: Patch now.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 11 packages",
  "released": "2021-05-18T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2021-30661, exploited (CISA KEV)",
  "supported": true,
  "cveCount": 12,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.04938,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2021:1586",
  "appliesTo": [
    {
      "product": "gdm",
      "productUrl": "https://patchblox.com/security/product/linux/gdm",
      "release": "RHEL 8",
      "fixedVersion": "1:3.28.3-39.el8",
      "supported": true
    },
    {
      "product": "glib2",
      "productUrl": "https://patchblox.com/security/product/linux/glib2",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "supported": true
    },
    {
      "product": "glib2-devel",
      "productUrl": "https://patchblox.com/security/product/linux/glib2-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "supported": true
    },
    {
      "product": "glib2-doc",
      "productUrl": "https://patchblox.com/security/product/linux/glib2-doc",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "supported": true
    },
    {
      "product": "glib2-fam",
      "productUrl": "https://patchblox.com/security/product/linux/glib2-fam",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "supported": true
    },
    {
      "product": "glib2-static",
      "productUrl": "https://patchblox.com/security/product/linux/glib2-static",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "supported": true
    },
    {
      "product": "glib2-tests",
      "productUrl": "https://patchblox.com/security/product/linux/glib2-tests",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-9.el8",
      "supported": true
    },
    {
      "product": "webkit2gtk3",
      "productUrl": "https://patchblox.com/security/product/linux/webkit2gtk3",
      "release": "RHEL 8",
      "fixedVersion": "0:2.30.4-1.el8",
      "supported": true
    },
    {
      "product": "webkit2gtk3-devel",
      "productUrl": "https://patchblox.com/security/product/linux/webkit2gtk3-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.30.4-1.el8",
      "supported": true
    },
    {
      "product": "webkit2gtk3-jsc",
      "productUrl": "https://patchblox.com/security/product/linux/webkit2gtk3-jsc",
      "release": "RHEL 8",
      "fixedVersion": "0:2.30.4-1.el8",
      "supported": true
    },
    {
      "product": "webkit2gtk3-jsc-devel",
      "productUrl": "https://patchblox.com/security/product/linux/webkit2gtk3-jsc-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.30.4-1.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-30661",
      "url": "https://patchblox.com/security/cve/CVE-2021-30661",
      "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
      "priority": "Patch now",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.04491,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-13584",
      "url": "https://patchblox.com/security/cve/CVE-2020-13584",
      "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.04938,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-13543",
      "url": "https://patchblox.com/security/cve/CVE-2020-13543",
      "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.03487,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-13012",
      "url": "https://patchblox.com/security/cve/CVE-2019-13012",
      "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.03211,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-9951",
      "url": "https://patchblox.com/security/cve/CVE-2020-9951",
      "title": "iTunes: A use after free issue was addressed with improved memory management.",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.02333,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-9983",
      "url": "https://patchblox.com/security/cve/CVE-2020-9983",
      "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.02201,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-1817",
      "url": "https://patchblox.com/security/cve/CVE-2021-1817",
      "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.01939,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-9948",
      "url": "https://patchblox.com/security/cve/CVE-2020-9948",
      "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.01694,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-1825",
      "url": "https://patchblox.com/security/cve/CVE-2021-1825",
      "title": "iTunes: An input validation issue was addressed with improved input validation.",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.01364,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-1826",
      "url": "https://patchblox.com/security/cve/CVE-2021-1826",
      "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.01144,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-1820",
      "url": "https://patchblox.com/security/cve/CVE-2021-1820",
      "title": "gdm: GNOME is the default desktop environment of Red Hat Enterprise Linux.\n\nThe following packages have been upgraded to a...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.01339,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-16125",
      "url": "https://patchblox.com/security/cve/CVE-2020-16125",
      "title": "gdm3: gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup ifgdm3 can\u0027t contact the accountservice service...",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.4,
      "epss": 0.01109,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}