{
  "cveId": "CVE-2026-54411",
  "url": "https://patchblox.com/security/cve/CVE-2026-54411",
  "summary": "CVE-2026-54411 is fixed in 14 products on 1 platform, first by libpam-cracklib 1.4.0-11ubuntu2.7, released June 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libpam0g: Linux-PAM through 1.7.2 contains an observable timing discrepancy (CWE-208) in the pam_userdb module\u0027s plaintext-pass...",
  "description": "Linux-PAM through 1.7.2 contains an observable timing discrepancy (CWE-208) in the pam_userdb module\u0027s plaintext-password comparison path in modules/pam_userdb/pam_userdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the plaintext password of a target account by measuring response-timing differences.",
  "published": "2026-06-14T11:17:00Z",
  "severity": "Medium",
  "cvss": 4.8,
  "cvssVector": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
  "epss": 0.0032,
  "epssPercentile": 0.25224,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libpam-cracklib",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.4.0-11ubuntu2.7",
      "fix": "libpam-cracklib 1.4.0-11ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libpam-cracklib-1.4.0-11ubuntu2.7",
      "released": "2026-06-14T11:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libpam-modules",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.4.0-11ubuntu2.7",
      "fix": "libpam-modules 1.4.0-11ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libpam-modules-1.4.0-11ubuntu2.7",
      "released": "2026-06-14T11:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libpam-modules",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.5.3-5ubuntu5.6",
      "fix": "libpam-modules 1.5.3-5ubuntu5.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libpam-modules-1.5.3-5ubuntu5.6",
      "released": "2026-06-14T11:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libpam-modules",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.7.0-5ubuntu3.1",
      "fix": "libpam-modules 1.7.0-5ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libpam-modules-1.7.0-5ubuntu3.1",
      "released": "2026-06-14T11:17:00Z"
    },
    {
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      "product": "libpam-modules-bin",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libpam-modules-bin-1.4.0-11ubuntu2.7",
      "released": "2026-06-14T11:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libpam-modules-bin",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.5.3-5ubuntu5.6",
      "fix": "libpam-modules-bin 1.5.3-5ubuntu5.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libpam-modules-bin-1.5.3-5ubuntu5.6",
      "released": "2026-06-14T11:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libpam-modules-bin",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.7.0-5ubuntu3.1",
      "fix": "libpam-modules-bin 1.7.0-5ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libpam-modules-bin-1.7.0-5ubuntu3.1",
      "released": "2026-06-14T11:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libpam-runtime",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.4.0-11ubuntu2.7",
      "fix": "libpam-runtime 1.4.0-11ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libpam-runtime-1.4.0-11ubuntu2.7",
      "released": "2026-06-14T11:17:00Z"
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    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libpam-runtime-1.5.3-5ubuntu5.6",
      "released": "2026-06-14T11:17:00Z"
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    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libpam-runtime-1.7.0-5ubuntu3.1",
      "released": "2026-06-14T11:17:00Z"
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    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libpam0g-1.4.0-11ubuntu2.7",
      "released": "2026-06-14T11:17:00Z"
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      "fix": "RHSA-2026:61229",
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      "released": "2026-06-14T17:21:43Z"
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      "released": "2026-08-28T00:38:13Z"
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    {
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}