{
  "fix": "ALAS2023-2023-404",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2023-404",
  "summary": "ALAS2023-2023-404, released October 30, 2023, fixes 2 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": "2023-10-30T23:43:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-5367, high severity",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.007,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2023-404.html",
  "appliesTo": [
    {
      "product": "xorg-x11-server-Xdmx",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xdmx",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xdmx-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xdmx-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xephyr",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xephyr",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xephyr-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xephyr-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xnest",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xnest",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xnest-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xnest-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xorg",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xorg",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xorg-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xorg-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xvfb",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xvfb",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xvfb-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xvfb-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-common",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-common",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-devel",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-devel",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "xorg-x11-server-source",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-source",
      "release": "amzn 2023",
      "fixedVersion": "1.20.14-26.amzn2023.0.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-5367",
      "url": "https://patchblox.com/security/cve/CVE-2023-5367",
      "title": "xnest: A out-of-bounds write flaw was found in the xorg-x11-server",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.8,
      "epss": 0.00608,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-5380",
      "url": "https://patchblox.com/security/cve/CVE-2023-5380",
      "title": "xnest: A use-after-free flaw was found in the xorg-x11-server",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 4.7,
      "epss": 0.007,
      "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"
  }
}