{
  "cveId": "CVE-2021-28153",
  "url": "https://patchblox.com/security/cve/CVE-2021-28153",
  "summary": "CVE-2021-28153 is fixed in 15 products on 1 platform, first by libglib2.0-0 2.56.4-0ubuntu0.18.04.8, released March 11, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "glib2: GLib provides the core application building blocks for libraries and applications written in C",
  "description": "GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.\n\nSecurity Fix(es):\n\n* glib2: Possible privilege escalation thourgh pkexec and aliases (CVE-2021-3800)\n\n* glib: g_file_replace() with G_FILE_CREATE_REPLACE_DESTINATION creates empty target for dangling symlink (CVE-2021-28153)\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": "2021-03-11T14:15:00Z",
  "severity": "Moderate",
  "cvss": 5.3,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
  "epss": 0.02708,
  "epssPercentile": 0.86051,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "glib2",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-156.el8",
      "fix": "RHSA-2021:4385",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4385",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2",
      "release": "ol 8",
      "fixedVersion": "0:2.56.4-156.el8",
      "fix": "ELSA-2021-4385",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4385",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2",
      "release": "rocky 8",
      "fixedVersion": "0:2.56.4-156.el8",
      "fix": "RLSA-2021:4385",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2021-4385",
      "released": "2021-11-09T09:16:02Z"
    },
    {
      "platform": "linux",
      "product": "glib2-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.56.4-156.el8",
      "fix": "RHSA-2021:4385",
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      "released": "2021-11-09T00:00:00Z"
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    {
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      "product": "glib2-devel",
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      "fixedVersion": "0:2.56.4-156.el8",
      "fix": "ELSA-2021-4385",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4385",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2-doc",
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      "fix": "RHSA-2021:4385",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4385",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glib2-doc",
      "release": "almalinux 8",
      "fixedVersion": "2.56.4-156.el8",
      "fix": "ALSA-2021:4385",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4385",
      "released": "2021-11-09T09:16:02Z"
    },
    {
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      "product": "glib2-doc",
      "release": "ol 8",
      "fixedVersion": "0:2.56.4-156.el8",
      "fix": "ELSA-2021-4385",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4385",
      "released": "2021-11-16T00:00:00Z"
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    {
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      "fix": "RHSA-2021:4385",
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      "released": "2021-11-09T00:00:00Z"
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      "fix": "ELSA-2021-4385",
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      "released": "2021-11-09T00:00:00Z"
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      "fix": "ALSA-2021:4385",
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      "released": "2021-11-09T09:16:02Z"
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  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "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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}