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CVE-2026-96512 Sudo: sudo: tz environment variable allows bypass of notbefore/notafter time-based authorization

🗓️ 23 Sep 2026 13:22:33Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 123 Views

Local sudo time-based authorization bypass via TZ environment variable for missing 'Z' indicators.

Related
Affected
Refs
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "sudo",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.9.17-10.p2.el10_2.7",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.2"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "sudo",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.9.5p2-2.el8_10",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "sudo",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.9.17p2-3.el9_8.3",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream",
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "sudo",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.9.17p2-3.el9_8.3",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream",
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "sudo-main",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1.9.17-16.p2.2.hum1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Update Infrastructure 5",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhui5/installer-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1791964013",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhui:5::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Update Infrastructure 5",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhui5/rhua-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1791978693",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhui:5::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "sudo",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  }
]

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14 Oct 2026 19:03Current
CVSS 3.17.8
EPSS0.00138
SSVC
123