{
  "cveId": "CVE-2026-47784",
  "url": "https://patchblox.com/security/cve/CVE-2026-47784",
  "summary": "CVE-2026-47784 is fixed in 5 products on 1 platform, first by memcached 1.6.14-1ubuntu0.2, released May 20, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.",
  "description": "In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.",
  "published": "2026-05-20T00:16:00Z",
  "severity": "Important",
  "cvss": 8.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "cwe": "Observable Timing Discrepancy",
  "epss": 0.0055,
  "epssPercentile": 0.46225,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47784",
  "fixes": [
    {
      "platform": "linux",
      "product": "memcached",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1.6.18-1\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2026-47784",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-47784",
      "released": "2026-05-20T07:16:15Z"
    },
    {
      "platform": "linux",
      "product": "memcached",
      "release": "Debian 14",
      "fixedVersion": "1.6.42-1",
      "fix": "DEBIAN-CVE-2026-47784",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-47784",
      "released": "2026-05-20T07:16:15Z"
    },
    {
      "platform": "linux",
      "product": "memcached",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.6.14-1ubuntu0.2",
      "fix": "memcached 1.6.14-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-memcached-1.6.14-1ubuntu0.2",
      "released": "2026-05-20T00:16:00Z"
    },
    {
      "platform": "linux",
      "product": "memcached",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.6.24-1ubuntu0.1",
      "fix": "memcached 1.6.24-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-memcached-1.6.24-1ubuntu0.1",
      "released": "2026-05-20T00:16:00Z"
    },
    {
      "platform": "linux",
      "product": "memcached",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "1.6.38-1ubuntu0.1",
      "fix": "memcached 1.6.38-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-memcached-1.6.38-1ubuntu0.1",
      "released": "2026-05-20T00:16:00Z"
    },
    {
      "platform": "linux",
      "product": "memcached",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.6.40-1ubuntu0.1",
      "fix": "memcached 1.6.40-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-memcached-1.6.40-1ubuntu0.1",
      "released": "2026-05-20T00:16:00Z"
    },
    {
      "platform": "linux",
      "product": "memcached",
      "release": "amzn 2023",
      "fixedVersion": "1.6.42-2.amzn2023.0.1",
      "fix": "ALAS2023-2026-1781",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1781",
      "released": "2026-06-08T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "memcached",
      "release": "sles 16.0",
      "fixedVersion": "1.6.38-160000.3.1",
      "fix": "SUSE-SU-2026:22022-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22022-1",
      "released": "2026-06-02T13:57:11Z"
    },
    {
      "platform": "linux",
      "product": "memcached-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.6.42-2.amzn2023.0.1",
      "fix": "ALAS2023-2026-1781",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1781",
      "released": "2026-06-08T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "memcached-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.6.42-2.amzn2023.0.1",
      "fix": "ALAS2023-2026-1781",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1781",
      "released": "2026-06-08T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "memcached-devel",
      "release": "amzn 2023",
      "fixedVersion": "1.6.42-2.amzn2023.0.1",
      "fix": "ALAS2023-2026-1781",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1781",
      "released": "2026-06-08T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "memcached-selinux",
      "release": "amzn 2023",
      "fixedVersion": "1.6.42-2.amzn2023.0.1",
      "fix": "ALAS2023-2026-1781",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1781",
      "released": "2026-06-08T09:00:00Z"
    }
  ],
  "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"
  }
}