{
  "cveId": "CVE-2026-23918",
  "url": "https://patchblox.com/security/cve/CVE-2026-23918",
  "summary": "CVE-2026-23918 is fixed in 17 products on 2 platforms, first by apache2 2.4.66-2ubuntu2.1, released May 4, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Apache HTTP Server: http2: double free and possible RCE on early reset",
  "description": "This is a vulnerability in open source code and Apple Software is among the affected projects. The",
  "published": "2026-05-04T15:16:03Z",
  "severity": "Important",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "cwe": "Double Free",
  "epss": 0.49727,
  "epssPercentile": 0.98903,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23918",
  "fixes": [
    {
      "platform": "macos",
      "product": "Sequoia",
      "fixedVersion": "15.7.8",
      "fix": "Sequoia 15.7.8",
      "url": "https://patchblox.com/security/fix/macos/sequoia-15.7.8",
      "released": "2026-07-27T00:00:00Z"
    },
    {
      "platform": "macos",
      "product": "Sonoma",
      "fixedVersion": "14.8.8",
      "fix": "Sonoma 14.8.8",
      "url": "https://patchblox.com/security/fix/macos/sonoma-14.8.8",
      "released": "2026-07-27T00:00:00Z"
    },
    {
      "platform": "macos",
      "product": "Tahoe",
      "fixedVersion": "26.6",
      "fix": "Tahoe 26.6",
      "url": "https://patchblox.com/security/fix/macos/tahoe-26.6",
      "released": "2026-07-27T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.4.67-1~deb12u2",
      "fix": "DEBIAN-CVE-2026-23918",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-23918",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "apache2",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.4.66-1~deb13u2",
      "fix": "DEBIAN-CVE-2026-23918",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-23918",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "apache2",
      "release": "Debian 14",
      "fixedVersion": "2.4.66-5",
      "fix": "DEBIAN-CVE-2026-23918",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-23918",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "apache2",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.4.66-2ubuntu2.1",
      "fix": "apache2 2.4.66-2ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-apache2-2.4.66-2ubuntu2.1",
      "released": "2026-05-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "OPENSUSE-SU-2026:21115-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21115-1",
      "released": "2026-06-20T06:56:29Z"
    },
    {
      "platform": "linux",
      "product": "apache2",
      "release": "sles 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "SUSE-SU-2026:22209-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22209-1",
      "released": "2026-06-20T06:57:50Z"
    },
    {
      "platform": "linux",
      "product": "apache2-bin",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.4.66-2ubuntu2.1",
      "fix": "apache2-bin 2.4.66-2ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-apache2-bin-2.4.66-2ubuntu2.1",
      "released": "2026-05-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-data",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.4.66-2ubuntu2.1",
      "fix": "apache2-data 2.4.66-2ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-apache2-data-2.4.66-2ubuntu2.1",
      "released": "2026-05-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-devel",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "OPENSUSE-SU-2026:21115-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21115-1",
      "released": "2026-06-20T06:56:29Z"
    },
    {
      "platform": "linux",
      "product": "apache2-devel",
      "release": "sles 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "SUSE-SU-2026:22209-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22209-1",
      "released": "2026-06-20T06:57:50Z"
    },
    {
      "platform": "linux",
      "product": "apache2-event",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "OPENSUSE-SU-2026:21115-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21115-1",
      "released": "2026-06-20T06:56:29Z"
    },
    {
      "platform": "linux",
      "product": "apache2-event",
      "release": "sles 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "SUSE-SU-2026:22209-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22209-1",
      "released": "2026-06-20T06:57:50Z"
    },
    {
      "platform": "linux",
      "product": "apache2-manual",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "OPENSUSE-SU-2026:21115-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21115-1",
      "released": "2026-06-20T06:56:29Z"
    },
    {
      "platform": "linux",
      "product": "apache2-manual",
      "release": "sles 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "SUSE-SU-2026:22209-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22209-1",
      "released": "2026-06-20T06:57:50Z"
    },
    {
      "platform": "linux",
      "product": "apache2-prefork",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "OPENSUSE-SU-2026:21115-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21115-1",
      "released": "2026-06-20T06:56:29Z"
    },
    {
      "platform": "linux",
      "product": "apache2-prefork",
      "release": "sles 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "SUSE-SU-2026:22209-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22209-1",
      "released": "2026-06-20T06:57:50Z"
    },
    {
      "platform": "linux",
      "product": "apache2-suexec-custom",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.4.66-2ubuntu2.1",
      "fix": "apache2-suexec-custom 2.4.66-2ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-apache2-suexec-custom-2.4.66-2ubuntu2.1",
      "released": "2026-05-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-suexec-pristine",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.4.66-2ubuntu2.1",
      "fix": "apache2-suexec-pristine 2.4.66-2ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-apache2-suexec-pristine-2.4.66-2ubuntu2.1",
      "released": "2026-05-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-utils",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.4.66-2ubuntu2.1",
      "fix": "apache2-utils 2.4.66-2ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-apache2-utils-2.4.66-2ubuntu2.1",
      "released": "2026-05-04T17:00:00Z"
    },
    {
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      "product": "apache2-utils",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "OPENSUSE-SU-2026:21115-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21115-1",
      "released": "2026-06-20T06:56:29Z"
    },
    {
      "platform": "linux",
      "product": "apache2-utils",
      "release": "sles 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "SUSE-SU-2026:22209-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22209-1",
      "released": "2026-06-20T06:57:50Z"
    },
    {
      "platform": "linux",
      "product": "apache2-worker",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "OPENSUSE-SU-2026:21115-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21115-1",
      "released": "2026-06-20T06:56:29Z"
    },
    {
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      "product": "apache2-worker",
      "release": "sles 16.0",
      "fixedVersion": "2.4.66-160000.2.1",
      "fix": "SUSE-SU-2026:22209-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22209-1",
      "released": "2026-06-20T06:57:50Z"
    },
    {
      "platform": "linux",
      "product": "mod_http2",
      "release": "amzn 2023",
      "fixedVersion": "2.0.39-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-1724",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1724",
      "released": "2026-05-25T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "mod_http2-debuginfo",
      "release": "amzn 2023",
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      "fix": "ALAS2023-2026-1724",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1724",
      "released": "2026-05-25T09:00:00Z"
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    {
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      "fix": "ALAS2023-2026-1724",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1724",
      "released": "2026-05-25T09:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}