{
  "fix": "ALAS2023-2023-255",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2023-255",
  "summary": "ALAS2023-2023-255, released July 17, 2023, fixes 10 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 7 packages",
  "released": "2023-07-17T20:46:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-25434, high severity",
  "supported": true,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00843,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2023-255.html",
  "appliesTo": [
    {
      "product": "libtiff",
      "productUrl": "https://patchblox.com/security/product/linux/libtiff",
      "release": "amzn 2023",
      "fixedVersion": "4.4.0-4.amzn2023.0.6",
      "supported": true
    },
    {
      "product": "libtiff-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/libtiff-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "4.4.0-4.amzn2023.0.6",
      "supported": true
    },
    {
      "product": "libtiff-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/libtiff-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "4.4.0-4.amzn2023.0.6",
      "supported": true
    },
    {
      "product": "libtiff-devel",
      "productUrl": "https://patchblox.com/security/product/linux/libtiff-devel",
      "release": "amzn 2023",
      "fixedVersion": "4.4.0-4.amzn2023.0.6",
      "supported": true
    },
    {
      "product": "libtiff-static",
      "productUrl": "https://patchblox.com/security/product/linux/libtiff-static",
      "release": "amzn 2023",
      "fixedVersion": "4.4.0-4.amzn2023.0.6",
      "supported": true
    },
    {
      "product": "libtiff-tools",
      "productUrl": "https://patchblox.com/security/product/linux/libtiff-tools",
      "release": "amzn 2023",
      "fixedVersion": "4.4.0-4.amzn2023.0.6",
      "supported": true
    },
    {
      "product": "libtiff-tools-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/libtiff-tools-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "4.4.0-4.amzn2023.0.6",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-25434",
      "url": "https://patchblox.com/security/cve/CVE-2023-25434",
      "title": "libtiff5: libtiff 4.5.0 is vulnerable to Buffer Overflow via extractContigSamplesBytes() at /libtiff/tools/tiffcrop.c:3215.",
      "priority": "High",
      "severity": "Low",
      "cvss": 8.8,
      "epss": 0.00843,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-0802",
      "url": "https://patchblox.com/security/cve/CVE-2023-0802",
      "title": "libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00428,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-0803",
      "url": "https://patchblox.com/security/cve/CVE-2023-0803",
      "title": "libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00428,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-0799",
      "url": "https://patchblox.com/security/cve/CVE-2023-0799",
      "title": "libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00425,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-0795",
      "url": "https://patchblox.com/security/cve/CVE-2023-0795",
      "title": "libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00421,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-0796",
      "url": "https://patchblox.com/security/cve/CVE-2023-0796",
      "title": "libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00421,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-0797",
      "url": "https://patchblox.com/security/cve/CVE-2023-0797",
      "title": "libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00421,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-0798",
      "url": "https://patchblox.com/security/cve/CVE-2023-0798",
      "title": "libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00421,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-25433",
      "url": "https://patchblox.com/security/cve/CVE-2023-25433",
      "title": "libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00416,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-25435",
      "url": "https://patchblox.com/security/cve/CVE-2023-25435",
      "title": "tiff: This update for tiff fixes the following issues:\n\n- CVE-2023-25435: Heap-buffer-overflow in extractContigSamplesShift...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}