{
  "fix": "ALAS2023-2026-1635",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1635",
  "summary": "ALAS2023-2026-1635, released April 27, 2026, fixes 6 CVEs across 15 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 15 packages",
  "released": "2026-04-27T09:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-34980, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01652,
  "maxCvss": 7.5,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-1635.html",
  "appliesTo": [
    {
      "product": "cups",
      "productUrl": "https://patchblox.com/security/product/linux/cups",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-client",
      "productUrl": "https://patchblox.com/security/product/linux/cups-client",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-client-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/cups-client-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/cups-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/cups-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-devel",
      "productUrl": "https://patchblox.com/security/product/linux/cups-devel",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-filesystem",
      "productUrl": "https://patchblox.com/security/product/linux/cups-filesystem",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-ipptool",
      "productUrl": "https://patchblox.com/security/product/linux/cups-ipptool",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-ipptool-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/cups-ipptool-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-libs",
      "productUrl": "https://patchblox.com/security/product/linux/cups-libs",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-libs-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/cups-libs-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-lpd",
      "productUrl": "https://patchblox.com/security/product/linux/cups-lpd",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-lpd-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/cups-lpd-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-printerapp",
      "productUrl": "https://patchblox.com/security/product/linux/cups-printerapp",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    },
    {
      "product": "cups-printerapp-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/cups-printerapp-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:2.4.16-1.amzn2023.0.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-34980",
      "url": "https://patchblox.com/security/cve/CVE-2026-34980",
      "title": "OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach \u0060lp\u0060 code execution over the network",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.01652,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-34978",
      "url": "https://patchblox.com/security/cve/CVE-2026-34978",
      "title": "OpenPrinting CUPS: Path traversal in RSS notify-recipient-uri enables file write outside CacheDir/rss (and clobbering of job.cache)",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.00422,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-34979",
      "url": "https://patchblox.com/security/cve/CVE-2026-34979",
      "title": "OpenPrinting CUPS: Heap overflow in \u0060get_options()\u0060",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.3,
      "epss": 0.00409,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-34990",
      "url": "https://patchblox.com/security/cve/CVE-2026-34990",
      "title": "OpenPrinting CUPS: Local print admin token disclosure using temporary printers",
      "priority": "Routine",
      "severity": "Moderate",
      "epss": 0.00295,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39316",
      "url": "https://patchblox.com/security/cve/CVE-2026-39316",
      "title": "CUPS has a use-after-free in \u0060cupsdDeleteTemporaryPrinters\u0060 via dangling subscription pointer",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 6.2,
      "epss": 0.00184,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39314",
      "url": "https://patchblox.com/security/cve/CVE-2026-39314",
      "title": "CUPS has an integer underflow in \u0060_ppdCreateFromIPP\u0060 causes root cupsd crash via negative \u0060job-password-supported\u0060",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.2,
      "epss": 0.0016,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}