{
  "cveId": "CVE-2026-85498",
  "url": "https://patchblox.com/security/cve/CVE-2026-85498",
  "summary": "CVE-2026-85498 is fixed in 7 products on 1 platform, first by gir1.2-polkit-1.0 127-2ubuntu1.1, released September 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "gir1.2-polkit-1.0: A flaw was found in polkit",
  "description": "A flaw was found in polkit. When processing input that begins with a null byte, an arithmetic error in the authentication agent helper causes an integer underflow during buffer length calculation, resulting in an out-of-bounds memory read. An attacker capable of supplying crafted input can trigger this flaw, potentially causing an application crash and resulting in a Denial of Service (DoS).",
  "published": "2026-09-06T17:00:00Z",
  "severity": "Medium",
  "cvss": 3.5,
  "cvssVector": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
  "epss": 0.00262,
  "epssPercentile": 0.18104,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "gir1.2-polkit-1.0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.105-33ubuntu0.2",
      "fix": "gir1.2-polkit-1.0 0.105-33ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-gir1.2-polkit-1.0-0.105-33ubuntu0.2",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "gir1.2-polkit-1.0",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "124-2ubuntu1.24.04.4",
      "fix": "gir1.2-polkit-1.0 124-2ubuntu1.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gir1.2-polkit-1.0-124-2ubuntu1.24.04.4",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "gir1.2-polkit-1.0",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "127-2ubuntu1.1",
      "fix": "gir1.2-polkit-1.0 127-2ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-gir1.2-polkit-1.0-127-2ubuntu1.1",
      "released": "2026-09-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libpolkit-agent-1-0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.105-33ubuntu0.2",
      "fix": "libpolkit-agent-1-0 0.105-33ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libpolkit-agent-1-0-0.105-33ubuntu0.2",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "libpolkit-agent-1-0",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "124-2ubuntu1.24.04.4",
      "fix": "libpolkit-agent-1-0 124-2ubuntu1.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libpolkit-agent-1-0-124-2ubuntu1.24.04.4",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "libpolkit-agent-1-0",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "127-2ubuntu1.1",
      "fix": "libpolkit-agent-1-0 127-2ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libpolkit-agent-1-0-127-2ubuntu1.1",
      "released": "2026-09-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libpolkit-gobject-1-0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.105-33ubuntu0.2",
      "fix": "libpolkit-gobject-1-0 0.105-33ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libpolkit-gobject-1-0-0.105-33ubuntu0.2",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "libpolkit-gobject-1-0",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "124-2ubuntu1.24.04.4",
      "fix": "libpolkit-gobject-1-0 124-2ubuntu1.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libpolkit-gobject-1-0-124-2ubuntu1.24.04.4",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "libpolkit-gobject-1-0",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "127-2ubuntu1.1",
      "fix": "libpolkit-gobject-1-0 127-2ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libpolkit-gobject-1-0-127-2ubuntu1.1",
      "released": "2026-09-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "pkexec",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.105-33ubuntu0.2",
      "fix": "pkexec 0.105-33ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-pkexec-0.105-33ubuntu0.2",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "pkexec",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "124-2ubuntu1.24.04.4",
      "fix": "pkexec 124-2ubuntu1.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-pkexec-124-2ubuntu1.24.04.4",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "pkexec",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "127-2ubuntu1.1",
      "fix": "pkexec 127-2ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-pkexec-127-2ubuntu1.1",
      "released": "2026-09-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "policykit-1",
      "release": "Debian 14",
      "fixedVersion": "128-1",
      "fix": "DEBIAN-CVE-2026-85498",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-85498",
      "released": "2026-11-08T01:21:48Z"
    },
    {
      "platform": "linux",
      "product": "policykit-1",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.105-33ubuntu0.2",
      "fix": "policykit-1 0.105-33ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-policykit-1-0.105-33ubuntu0.2",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "policykit-1",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "124-2ubuntu1.24.04.4",
      "fix": "policykit-1 124-2ubuntu1.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-policykit-1-124-2ubuntu1.24.04.4",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "polkitd",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.105-33ubuntu0.2",
      "fix": "polkitd 0.105-33ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-polkitd-0.105-33ubuntu0.2",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "polkitd",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "124-2ubuntu1.24.04.4",
      "fix": "polkitd 124-2ubuntu1.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-polkitd-124-2ubuntu1.24.04.4",
      "released": "2026-09-17T18:09:11Z"
    },
    {
      "platform": "linux",
      "product": "polkitd",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "127-2ubuntu1.1",
      "fix": "polkitd 127-2ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-polkitd-127-2ubuntu1.1",
      "released": "2026-09-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "polkitd-pkla",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "124-2ubuntu1.24.04.4",
      "fix": "polkitd-pkla 124-2ubuntu1.24.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-polkitd-pkla-124-2ubuntu1.24.04.4",
      "released": "2026-09-17T18:09:11Z"
    }
  ],
  "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"
  }
}