USN-8762-1

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Source
https://ubuntu.com/security/notices/USN-8762-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8762-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8762-1
Upstream
Related
Published
2026-09-15T14:31:04Z
Modified
2026-09-15T20:27:35Z
Summary
policykit-1 vulnerability
Details

It was discovered that polkit incorrectly handled cookie input. A local attacker could possibly use this issue to cause polkit to crash, resulting in a denial of service, or execute arbitrary code.

References

Affected packages

Ubuntu:22.04:LTS / policykit-1

Package

Name
policykit-1
Purl
pkg:deb/ubuntu/policykit-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.105-33ubuntu0.2

Affected versions

0.*
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": "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"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-85498",
            "severity": [
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8762-1.json"

Ubuntu:24.04:LTS / policykit-1

Package

Name
policykit-1
Purl
pkg:deb/ubuntu/policykit-1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
124-2ubuntu1.24.04.4

Affected versions

Other
123-1
123-3
124-1
124-1ubuntu1
124-2ubuntu1
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": "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"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-85498",
            "severity": [
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8762-1.json"

Ubuntu:26.04:LTS / policykit-1

Package

Name
policykit-1
Purl
pkg:deb/ubuntu/policykit-1?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
127-2ubuntu1.1

Affected versions

Other
126-2
127-1
127-2
127-2ubuntu1

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"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-85498",
            "severity": [
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8762-1.json"