{
  "fix": "ALAS2023-2023-071",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2023-071",
  "summary": "ALAS2023-2023-071, released February 17, 2023, fixes 3 CVEs across 10 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 10 packages",
  "released": "2023-02-17T20:46:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-36976, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02845,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2023-071.html",
  "appliesTo": [
    {
      "product": "bsdcat",
      "productUrl": "https://patchblox.com/security/product/linux/bsdcat",
      "release": "amzn 2023",
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      "supported": true
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    {
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      "productUrl": "https://patchblox.com/security/product/linux/bsdcat-debuginfo",
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    {
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      "release": "amzn 2023",
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      "supported": true
    },
    {
      "product": "bsdcpio-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/bsdcpio-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.5.3-2.amzn2023.0.2",
      "supported": true
    },
    {
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      "productUrl": "https://patchblox.com/security/product/linux/bsdtar",
      "release": "amzn 2023",
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      "supported": true
    },
    {
      "product": "bsdtar-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/bsdtar-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.5.3-2.amzn2023.0.2",
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    },
    {
      "product": "libarchive",
      "productUrl": "https://patchblox.com/security/product/linux/libarchive",
      "release": "amzn 2023",
      "fixedVersion": "3.5.3-2.amzn2023.0.2",
      "supported": true
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    {
      "product": "libarchive-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/libarchive-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.5.3-2.amzn2023.0.2",
      "supported": true
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    {
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      "productUrl": "https://patchblox.com/security/product/linux/libarchive-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "3.5.3-2.amzn2023.0.2",
      "supported": true
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    {
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      "release": "amzn 2023",
      "fixedVersion": "3.5.3-2.amzn2023.0.2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-36976",
      "url": "https://patchblox.com/security/cve/CVE-2021-36976",
      "title": "Libarchive Remote Code Execution Vulnerability",
      "priority": "High",
      "severity": "Important",
      "epss": 0.02845,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    },
    {
      "cveId": "CVE-2022-26280",
      "url": "https://patchblox.com/security/cve/CVE-2022-26280",
      "title": "libarchive13: Libarchive v3.6.0 was discovered to contain an out-of-bounds read via the component zipx_lzma_alone_init.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.1,
      "epss": 0.01877,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-31566",
      "url": "https://patchblox.com/security/cve/CVE-2021-31566",
      "title": "bsdtar: The libarchive programming library can create and read several different streaming archive formats, including GNU tar...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.0039,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}