{
  "cveId": "CVE-2026-96512",
  "url": "https://patchblox.com/security/cve/CVE-2026-96512",
  "summary": "CVE-2026-96512 is fixed in 10 products on 1 platform, first by libnss-sudo 1.9.17p2-1ubuntu3.2, released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Sudo: sudo: tz environment variable allows bypass of notbefore/notafter time-based authorization",
  "description": "The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.  \n\nSecurity Fix(es):  \n\n  * sudo: sudo: TZ environment variable allows bypass of NOTBEFORE/NOTAFTER time-based authorization (CVE-2026-96512)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2026-09-23T07:17:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "cwe": "Incorrect Authorization",
  "epss": 0.00321,
  "epssPercentile": 0.25229,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96512",
  "fixes": [
    {
      "platform": "linux",
      "product": "libnss-sudo",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.9.15p5-3ubuntu5.24.04.4",
      "fix": "libnss-sudo 1.9.15p5-3ubuntu5.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libnss-sudo-1.9.15p5-3ubuntu5.24.04.4",
      "released": "2026-10-08T22:21:56Z"
    },
    {
      "platform": "linux",
      "product": "libnss-sudo",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.9.17p2-1ubuntu3.2",
      "fix": "libnss-sudo 1.9.17p2-1ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnss-sudo-1.9.17p2-1ubuntu3.2",
      "released": "2026-09-23T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "Debian 14",
      "fixedVersion": "1.9.17p2-9",
      "fix": "DEBIAN-CVE-2026-96512",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-96512",
      "released": "2026-10-05T21:42:17Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "RHEL 10",
      "fixedVersion": "1.9.15-8.p5.el10_0.5",
      "fix": "RHSA-2026:86633",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-86633",
      "released": "2026-10-05T21:44:19Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "RHEL 8",
      "fixedVersion": "0:1.9.5p2-2.el8_10",
      "fix": "RHSA-2026:75580",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-75580",
      "released": "2026-10-05T21:42:50Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "RHEL 9",
      "fixedVersion": "0:1.9.17p2-3.el9_8.3",
      "fix": "RHSA-2026:75571",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-75571",
      "released": "2026-10-05T21:44:19Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.9.9-1ubuntu2.7",
      "fix": "sudo 1.9.9-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-sudo-1.9.9-1ubuntu2.7",
      "released": "2026-10-08T22:21:53Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.9.15p5-3ubuntu5.24.04.4",
      "fix": "sudo 1.9.15p5-3ubuntu5.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-sudo-1.9.15p5-3ubuntu5.24.04.4",
      "released": "2026-10-08T22:21:56Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.9.17p2-1ubuntu3.2",
      "fix": "sudo 1.9.17p2-1ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-sudo-1.9.17p2-1ubuntu3.2",
      "released": "2026-09-23T07:17:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "almalinux 10",
      "fixedVersion": "1.9.17-10.p2.el10_2.7",
      "fix": "ALSA-2026:75579",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-75579",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "almalinux 8",
      "fixedVersion": "1.9.5p2-2.el8_10",
      "fix": "ALSA-2026:75580",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-75580",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "almalinux 9",
      "fixedVersion": "1.9.17p2-3.el9_8.3",
      "fix": "ALSA-2026:75571",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-75571",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "amzn 2023",
      "fixedVersion": "1.9.15-1.p5.amzn2023.0.4",
      "fix": "ALAS2023-2026-3156",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3156",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "ol 10",
      "fixedVersion": "0:1.9.17-10.p2.el10_2.7",
      "fix": "ELSA-2026-75579",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-75579",
      "released": "2026-10-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "ol 8",
      "fixedVersion": "0:1.9.5p2-2.0.1.el8_10",
      "fix": "ELSA-2026-75580",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-75580",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "ol 9",
      "fixedVersion": "0:1.9.17p2-3.el9_8.3",
      "fix": "ELSA-2026-75571",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-75571",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "rocky 10",
      "fixedVersion": "0:1.9.17-10.p2.el10_2.7",
      "fix": "RLSA-2026:75579",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-75579",
      "released": "2026-10-06T12:10:42Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "rocky 8",
      "fixedVersion": "0:1.9.5p2-2.el8_10",
      "fix": "RLSA-2026:75580",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-75580",
      "released": "2026-10-06T06:01:13Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "rocky 9",
      "fixedVersion": "0:1.9.17p2-3.el9_8.3",
      "fix": "RLSA-2026:75571",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-75571",
      "released": "2026-10-06T06:05:20Z"
    },
    {
      "platform": "linux",
      "product": "sudo-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.9.15-1.p5.amzn2023.0.4",
      "fix": "ALAS2023-2026-3156",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3156",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "sudo-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.9.15-1.p5.amzn2023.0.4",
      "fix": "ALAS2023-2026-3156",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3156",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "sudo-devel",
      "release": "amzn 2023",
      "fixedVersion": "1.9.15-1.p5.amzn2023.0.4",
      "fix": "ALAS2023-2026-3156",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3156",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "sudo-ldap",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.9.9-1ubuntu2.7",
      "fix": "sudo-ldap 1.9.9-1ubuntu2.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-sudo-ldap-1.9.9-1ubuntu2.7",
      "released": "2026-10-08T22:21:53Z"
    },
    {
      "platform": "linux",
      "product": "sudo-ldap",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.9.15p5-3ubuntu5.24.04.4",
      "fix": "sudo-ldap 1.9.15p5-3ubuntu5.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-sudo-ldap-1.9.15p5-3ubuntu5.24.04.4",
      "released": "2026-10-08T22:21:56Z"
    },
    {
      "platform": "linux",
      "product": "sudo-logsrvd",
      "release": "amzn 2023",
      "fixedVersion": "1.9.15-1.p5.amzn2023.0.4",
      "fix": "ALAS2023-2026-3156",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3156",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "sudo-logsrvd-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.9.15-1.p5.amzn2023.0.4",
      "fix": "ALAS2023-2026-3156",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3156",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "sudo-python-plugin",
      "release": "RHEL 9",
      "fixedVersion": "0:1.9.17p2-3.el9_8.3",
      "fix": "RHSA-2026:75571",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-75571",
      "released": "2026-10-05T21:44:19Z"
    },
    {
      "platform": "linux",
      "product": "sudo-python-plugin",
      "release": "almalinux 10",
      "fixedVersion": "1.9.17-10.p2.el10_2.7",
      "fix": "ALSA-2026:75579",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-75579",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo-python-plugin",
      "release": "almalinux 9",
      "fixedVersion": "1.9.17p2-3.el9_8.3",
      "fix": "ALSA-2026:75571",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-75571",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo-python-plugin",
      "release": "amzn 2023",
      "fixedVersion": "1.9.15-1.p5.amzn2023.0.4",
      "fix": "ALAS2023-2026-3156",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3156",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "sudo-python-plugin",
      "release": "ol 10",
      "fixedVersion": "0:1.9.17-10.p2.el10_2.7",
      "fix": "ELSA-2026-75579",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-75579",
      "released": "2026-10-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo-python-plugin",
      "release": "ol 9",
      "fixedVersion": "0:1.9.17p2-3.el9_8.3",
      "fix": "ELSA-2026-75571",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-75571",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo-python-plugin-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.9.15-1.p5.amzn2023.0.4",
      "fix": "ALAS2023-2026-3156",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3156",
      "released": "2026-11-07T01:07:25Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}