{
  "cveId": "CVE-2021-3445",
  "url": "https://patchblox.com/security/cve/CVE-2021-3445",
  "summary": "CVE-2021-3445 is fixed in 17 products on 1 platform, first by libdnf1 0.55.2-6, released May 19, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "dnf: dnf is a package manager that allows users to manage packages on their systems",
  "description": "dnf is a package manager that allows users to manage packages on their systems. It supports RPMs, modules and comps groups \u0026 environments.\n\nSecurity Fix(es):\n\n* libdnf: Signature verification bypass via signature placed in the main RPM header (CVE-2021-3445)\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": "2021-05-19T07:15:00Z",
  "severity": "Moderate",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.01117,
  "epssPercentile": 0.66299,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dnf",
      "release": "RHEL 8",
      "fixedVersion": "0:4.7.0-4.el8",
      "fix": "RHSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4464",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnf",
      "release": "ol 8",
      "fixedVersion": "0:4.7.0-4.0.1.el8",
      "fix": "ELSA-2021-4464",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4464",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnf",
      "release": "rocky 8",
      "fixedVersion": "0:4.7.0-4.el8",
      "fix": "RLSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2021-4464",
      "released": "2021-11-09T09:25:37Z"
    },
    {
      "platform": "linux",
      "product": "dnf-automatic",
      "release": "RHEL 8",
      "fixedVersion": "0:4.7.0-4.el8",
      "fix": "RHSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4464",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnf-automatic",
      "release": "ol 8",
      "fixedVersion": "0:4.7.0-4.0.1.el8",
      "fix": "ELSA-2021-4464",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4464",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnf-data",
      "release": "RHEL 8",
      "fixedVersion": "0:4.7.0-4.el8",
      "fix": "RHSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4464",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnf-data",
      "release": "ol 8",
      "fixedVersion": "0:4.7.0-4.0.1.el8",
      "fix": "ELSA-2021-4464",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4464",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnf-plugins-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.0.21-3.el8",
      "fix": "RHSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4464",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnf-plugins-core",
      "release": "ol 8",
      "fixedVersion": "0:4.0.21-3.0.1.el8",
      "fix": "ELSA-2021-4464",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4464",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnf-plugins-core",
      "release": "rocky 8",
      "fixedVersion": "0:4.0.21-3.el8",
      "fix": "RLSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2021-4464",
      "released": "2021-11-09T09:25:37Z"
    },
    {
      "platform": "linux",
      "product": "libdnf",
      "release": "RHEL 8",
      "fixedVersion": "0:0.63.0-3.el8",
      "fix": "RHSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4464",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libdnf",
      "release": "ol 8",
      "fixedVersion": "0:0.63.0-3.0.1.el8",
      "fix": "ELSA-2021-4464",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4464",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libdnf",
      "release": "rocky 8",
      "fixedVersion": "0:0.63.0-3.el8",
      "fix": "RLSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2021-4464",
      "released": "2021-11-09T09:25:37Z"
    },
    {
      "platform": "linux",
      "product": "libdnf-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:0.63.0-3.el8",
      "fix": "RHSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4464",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libdnf-devel",
      "release": "almalinux 8",
      "fixedVersion": "0.63.0-3.el8",
      "fix": "ALSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4464",
      "released": "2021-11-09T09:25:37Z"
    },
    {
      "platform": "linux",
      "product": "libdnf-devel",
      "release": "ol 8",
      "fixedVersion": "0:0.63.0-3.0.1.el8",
      "fix": "ELSA-2021-4464",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4464",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libdnf1",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.55.2-6",
      "fix": "libdnf1 0.55.2-6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libdnf1-0.55.2-6",
      "released": "2021-05-19T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libdnf2",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.55.2-6",
      "fix": "libdnf2 0.55.2-6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libdnf2-0.55.2-6",
      "released": "2021-05-19T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libdnf2-common",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.55.2-6",
      "fix": "libdnf2-common 0.55.2-6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libdnf2-common-0.55.2-6",
      "released": "2021-05-19T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-dnf",
      "release": "RHEL 8",
      "fixedVersion": "0:4.7.0-4.el8",
      "fix": "RHSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4464",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-dnf",
      "release": "ol 8",
      "fixedVersion": "0:4.7.0-4.0.1.el8",
      "fix": "ELSA-2021-4464",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4464",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-dnf-plugin-post-transaction-actions",
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      "fix": "RHSA-2021:4464",
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      "released": "2021-11-09T00:00:00Z"
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    {
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      "product": "python3-dnf-plugin-post-transaction-actions",
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      "fix": "ELSA-2021-4464",
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      "released": "2021-11-16T00:00:00Z"
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    {
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      "product": "python3-dnf-plugin-versionlock",
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      "fixedVersion": "0:4.0.21-3.el8",
      "fix": "RHSA-2021:4464",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4464",
      "released": "2021-11-09T00:00:00Z"
    },
    {
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      "fix": "ELSA-2021-4464",
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      "released": "2021-11-16T00:00:00Z"
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    {
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      "released": "2021-11-16T00:00:00Z"
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      "released": "2021-11-16T00:00:00Z"
    }
  ],
  "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"
  }
}