{
  "fix": "RLSA-2021:4743",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2021-4743",
  "summary": "RLSA-2021:4743, released November 18, 2021, fixes 1 CVE across 8 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 8 packages",
  "released": "2021-11-18T16:29:15Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-42574, high severity",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.12881,
  "maxCvss": 8.5,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2021:4743",
  "appliesTo": [
    {
      "product": "clang",
      "productUrl": "https://patchblox.com/security/product/linux/clang",
      "release": "rocky 8",
      "fixedVersion": "0:12.0.1-4.module\u002Bel8.5.0\u002B715\u002B58f51d49",
      "supported": true
    },
    {
      "product": "compiler-rt",
      "productUrl": "https://patchblox.com/security/product/linux/compiler-rt",
      "release": "rocky 8",
      "fixedVersion": "0:12.0.1-1.module\u002Bel8.5.0\u002B692\u002B8756646f",
      "supported": true
    },
    {
      "product": "libomp",
      "productUrl": "https://patchblox.com/security/product/linux/libomp",
      "release": "rocky 8",
      "fixedVersion": "0:12.0.1-1.module\u002Bel8.5.0\u002B692\u002B8756646f",
      "supported": true
    },
    {
      "product": "lld",
      "productUrl": "https://patchblox.com/security/product/linux/lld",
      "release": "rocky 8",
      "fixedVersion": "0:12.0.1-1.module\u002Bel8.5.0\u002B692\u002B8756646f",
      "supported": true
    },
    {
      "product": "lldb",
      "productUrl": "https://patchblox.com/security/product/linux/lldb",
      "release": "rocky 8",
      "fixedVersion": "0:12.0.1-1.module\u002Bel8.5.0\u002B692\u002B8756646f",
      "supported": true
    },
    {
      "product": "llvm",
      "productUrl": "https://patchblox.com/security/product/linux/llvm",
      "release": "rocky 8",
      "fixedVersion": "0:12.0.1-2.module\u002Bel8.5.0\u002B692\u002B8756646f",
      "supported": true
    },
    {
      "product": "llvm-toolset",
      "productUrl": "https://patchblox.com/security/product/linux/llvm-toolset",
      "release": "rocky 8",
      "fixedVersion": "0:12.0.1-1.module\u002Bel8.5.0\u002B692\u002B8756646f",
      "supported": true
    },
    {
      "product": "python-lit",
      "productUrl": "https://patchblox.com/security/product/linux/python-lit",
      "release": "rocky 8",
      "fixedVersion": "0:12.0.1-1.module\u002Bel8.5.0\u002B692\u002B8756646f",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-42574",
      "url": "https://patchblox.com/security/cve/CVE-2021-42574",
      "title": "clang-libs: LLVM Toolset provides the LLVM compiler infrastructure framework, the Clang compiler for the C and C\u002B\u002B languages, the...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.5,
      "epss": 0.12881,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}