{
  "fix": "RHSA-2021:4903",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4903",
  "summary": "RHSA-2021:4903, released December 1, 2021, fixes 1 CVE across 10 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 10 packages",
  "released": "2021-12-01T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2021-43527, rated Critical",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.17563,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2021:4903",
  "appliesTo": [
    {
      "product": "nss",
      "productUrl": "https://patchblox.com/security/product/linux/nss",
      "release": "RHEL 8",
      "fixedVersion": "0:3.67.0-7.el8_5",
      "supported": true
    },
    {
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      "supported": true
    },
    {
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      "productUrl": "https://patchblox.com/security/product/linux/nss-softokn-devel",
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      "supported": true
    },
    {
      "product": "nss-softokn-freebl",
      "productUrl": "https://patchblox.com/security/product/linux/nss-softokn-freebl",
      "release": "RHEL 8",
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      "supported": true
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    {
      "product": "nss-softokn-freebl-devel",
      "productUrl": "https://patchblox.com/security/product/linux/nss-softokn-freebl-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:3.67.0-7.el8_5",
      "supported": true
    },
    {
      "product": "nss-sysinit",
      "productUrl": "https://patchblox.com/security/product/linux/nss-sysinit",
      "release": "RHEL 8",
      "fixedVersion": "0:3.67.0-7.el8_5",
      "supported": true
    },
    {
      "product": "nss-tools",
      "productUrl": "https://patchblox.com/security/product/linux/nss-tools",
      "release": "RHEL 8",
      "fixedVersion": "0:3.67.0-7.el8_5",
      "supported": true
    },
    {
      "product": "nss-util",
      "productUrl": "https://patchblox.com/security/product/linux/nss-util",
      "release": "RHEL 8",
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      "supported": true
    },
    {
      "product": "nss-util-devel",
      "productUrl": "https://patchblox.com/security/product/linux/nss-util-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:3.67.0-7.el8_5",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-43527",
      "url": "https://patchblox.com/security/cve/CVE-2021-43527",
      "title": "nss-sysinit: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-...",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.17563,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}