{
  "fix": "ALAS2023-2026-1623",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1623",
  "summary": "ALAS2023-2026-1623, released April 27, 2026, fixes 1 CVE across 32 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 32 packages",
  "released": "2026-04-27T09:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-40393, rated Critical",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00435,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-1623.html",
  "appliesTo": [
    {
      "product": "mesa-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-dri-drivers",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-dri-drivers",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-dri-drivers-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-dri-drivers-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-filesystem",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-filesystem",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libEGL",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libegl",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libEGL-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libegl-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libEGL-devel",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libegl-devel",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libGL",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libgl",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libGL-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libgl-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libGL-devel",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libgl-devel",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libOSMesa",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libosmesa",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libOSMesa-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libosmesa-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libOSMesa-devel",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libosmesa-devel",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libOpenCL",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libopencl",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libOpenCL-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libopencl-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libOpenCL-devel",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libopencl-devel",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libd3d",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libd3d",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libd3d-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libd3d-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libd3d-devel",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libd3d-devel",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libgbm",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libgbm",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libgbm-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libgbm-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libgbm-devel",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libgbm-devel",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libglapi",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libglapi",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libglapi-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libglapi-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libxatracker",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libxatracker",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libxatracker-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libxatracker-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-libxatracker-devel",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-libxatracker-devel",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-va-drivers",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-va-drivers",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-vdpau-drivers",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-vdpau-drivers",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-vulkan-drivers",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-vulkan-drivers",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "mesa-vulkan-drivers-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/mesa-vulkan-drivers-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "24.2.6-1268.amzn2023.0.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-40393",
      "url": "https://patchblox.com/security/cve/CVE-2026-40393",
      "title": "mesa: In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU because the amount of to-...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00435,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T20:03:11Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}