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    Related vulnerabilities

    RHSA-2026:66287

    Vulnerability from csaf_redhat - Published: 2026-09-10 01:41 - Updated: 2026-09-10 17:23
    Summary
    Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
    Severity
    Moderate
    Scope
    2 vulnerabilities in this advisory, including CVE-2026-85498.
    CVE-2026-85498

    No description is available for this CVE.

    3.5 (Low)
    CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Fixed: 4 products
    https://access.redhat.com/errata/RHSA-2026:66287
    Open the full advisory
    ubuntu-cve-2026-85498
    Vulnerability from osv_ubuntu
    Published
    2026-09-07 00:00
    Modified
    2026-09-15 17:56
    Summary
    Details

    [Regression in CVE-2026-4897 fix (polkit read_cookie()) - stack buffer underflow]

    Severity
    N/A (UNKNOWN)
    medium
    References
    To clipboard 

    {
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          },
          {
            "binary_name": "libpolkit-backend-1-0",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          },
          {
            "binary_name": "policykit-1",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@0.105-4ubuntu3.14.04.6+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.105-3ubuntu3",
        "0.105-4ubuntu1",
        "0.105-4ubuntu2",
        "0.105-4ubuntu2.14.04.1",
        "0.105-4ubuntu3.14.04.1",
        "0.105-4ubuntu3.14.04.2",
        "0.105-4ubuntu3.14.04.5",
        "0.105-4ubuntu3.14.04.6",
        "0.105-4ubuntu3.14.04.6+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          },
          {
            "binary_name": "libpolkit-backend-1-0",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          },
          {
            "binary_name": "policykit-1",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@0.105-14.1ubuntu0.5+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.105-11ubuntu2",
        "0.105-13",
        "0.105-13ubuntu1",
        "0.105-14",
        "0.105-14.1",
        "0.105-14.1ubuntu0.1",
        "0.105-14.1ubuntu0.4",
        "0.105-14.1ubuntu0.5",
        "0.105-14.1ubuntu0.5+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-20ubuntu0.18.04.6"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-20ubuntu0.18.04.6"
          },
          {
            "binary_name": "libpolkit-backend-1-0",
            "binary_version": "0.105-20ubuntu0.18.04.6"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-20ubuntu0.18.04.6"
          },
          {
            "binary_name": "policykit-1",
            "binary_version": "0.105-20ubuntu0.18.04.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@0.105-20ubuntu0.18.04.6?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.105-18",
        "0.105-20",
        "0.105-20ubuntu0.18.04.1",
        "0.105-20ubuntu0.18.04.4",
        "0.105-20ubuntu0.18.04.5",
        "0.105-20ubuntu0.18.04.6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-26ubuntu1.3"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-26ubuntu1.3"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-26ubuntu1.3"
          },
          {
            "binary_name": "policykit-1",
            "binary_version": "0.105-26ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@0.105-26ubuntu1.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.105-26ubuntu1",
        "0.105-26ubuntu1.1",
        "0.105-26ubuntu1.2",
        "0.105-26ubuntu1.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-33ubuntu0.2"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-33ubuntu0.2"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-33ubuntu0.2"
          },
          {
            "binary_name": "pkexec",
            "binary_version": "0.105-33ubuntu0.2"
          },
          {
            "binary_name": "policykit-1",
            "binary_version": "0.105-33ubuntu0.2"
          },
          {
            "binary_name": "polkitd",
            "binary_version": "0.105-33ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@0.105-33ubuntu0.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.105-33ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.105-31",
        "0.105-31ubuntu1",
        "0.105-31.1",
        "0.105-32",
        "0.105-33",
        "0.105-33ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "124-2ubuntu1.24.04.4"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "124-2ubuntu1.24.04.4"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "124-2ubuntu1.24.04.4"
          },
          {
            "binary_name": "pkexec",
            "binary_version": "124-2ubuntu1.24.04.4"
          },
          {
            "binary_name": "policykit-1",
            "binary_version": "124-2ubuntu1.24.04.4"
          },
          {
            "binary_name": "polkitd",
            "binary_version": "124-2ubuntu1.24.04.4"
          },
          {
            "binary_name": "polkitd-pkla",
            "binary_version": "124-2ubuntu1.24.04.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@124-2ubuntu1.24.04.4?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "124-2ubuntu1.24.04.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "123-1",
        "123-3",
        "124-1",
        "124-1ubuntu1",
        "124-2ubuntu1",
        "124-2ubuntu1.24.04.2",
        "124-2ubuntu1.24.04.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "127-2ubuntu1.1"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "127-2ubuntu1.1"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "127-2ubuntu1.1"
          },
          {
            "binary_name": "pkexec",
            "binary_version": "127-2ubuntu1.1"
          },
          {
            "binary_name": "polkitd",
            "binary_version": "127-2ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@127-2ubuntu1.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "127-2ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "126-2",
        "127-1",
        "127-2",
        "127-2ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "[Regression in CVE-2026-4897 fix (polkit read_cookie()) - stack buffer underflow]",
  "id": "UBUNTU-CVE-2026-85498",
  "modified": "2026-09-15T17:56:38Z",
  "published": "2026-09-07T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-85498"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-85498"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8762-1"
    }
  ],
  "related": [
    "USN-8762-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-85498"
  ]
}