USN-8752-1

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Source
https://ubuntu.com/security/notices/USN-8752-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8752-1
Upstream
Related
Published
2026-09-14T11:52:42Z
Modified
2026-09-14T22:12:13Z
Summary
konsole vulnerability
Details

It was discovered that Konsole incorrectly handled certain URLs under specific circumstances. A remote attacker could possibly use this issue to execute arbitrary code.

References

Affected packages

Ubuntu:Pro:16.04:LTS / konsole

Package

Name
konsole
Purl
pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4:15.12.3-0ubuntu1+esm1

Affected versions

4:15.*
4:15.08.2-0ubuntu2
4:15.12.1-1ubuntu1
4:15.12.3-0ubuntu1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "konsole",
            "binary_version": "4:15.12.3-0ubuntu1+esm1"
        },
        {
            "binary_name": "konsole-kpart",
            "binary_version": "4:15.12.3-0ubuntu1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2025-49091",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json"

Ubuntu:Pro:18.04:LTS / konsole

Package

Name
konsole
Purl
pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4:17.12.3-1ubuntu1+esm1

Affected versions

4:17.*
4:17.04.3-0ubuntu1
4:17.08.3-0ubuntu1
4:17.12.2-0ubuntu1
4:17.12.3-0ubuntu1
4:17.12.3-1ubuntu1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "konsole",
            "binary_version": "4:17.12.3-1ubuntu1+esm1"
        },
        {
            "binary_name": "konsole-kpart",
            "binary_version": "4:17.12.3-1ubuntu1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2025-49091",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json"

Ubuntu:Pro:20.04:LTS / konsole

Package

Name
konsole
Purl
pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4:19.12.3-0ubuntu1+esm1

Affected versions

4:19.*
4:19.04.3-0ubuntu1
4:19.08.2-0ubuntu1
4:19.08.3-0ubuntu1
4:19.12.0-0ubuntu1
4:19.12.1-0ubuntu1
4:19.12.2-0ubuntu1
4:19.12.3-0ubuntu1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "konsole",
            "binary_version": "4:19.12.3-0ubuntu1+esm1"
        },
        {
            "binary_name": "konsole-kpart",
            "binary_version": "4:19.12.3-0ubuntu1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2025-49091",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json"

Ubuntu:Pro:22.04:LTS / konsole

Package

Name
konsole
Purl
pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4:21.12.3-0ubuntu1+esm1

Affected versions

4:21.*
4:21.08.1-1ubuntu1
4:21.08.2-1
4:21.08.3-0ubuntu1
4:21.11.80-0ubuntu1
4:21.11.90-0ubuntu2
4:21.12.0-0ubuntu1
4:21.12.0-0ubuntu2
4:21.12.1-0ubuntu1
4:21.12.2-0ubuntu1
4:21.12.3-0ubuntu1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "konsole",
            "binary_version": "4:21.12.3-0ubuntu1+esm1"
        },
        {
            "binary_name": "konsole-kpart",
            "binary_version": "4:21.12.3-0ubuntu1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2025-49091",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json"

Ubuntu:Pro:24.04:LTS / konsole

Package

Name
konsole
Purl
pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4:23.08.5-0ubuntu4+esm1

Affected versions

4:23.*
4:23.08.1-0ubuntu1
4:23.08.2-0ubuntu1
4:23.08.3-0ubuntu1
4:23.08.4-0ubuntu1
4:23.08.4-0ubuntu2
4:23.08.5-0ubuntu1
4:23.08.5-0ubuntu2
4:23.08.5-0ubuntu3
4:23.08.5-0ubuntu4

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "konsole",
            "binary_version": "4:23.08.5-0ubuntu4+esm1"
        },
        {
            "binary_name": "konsole-kpart",
            "binary_version": "4:23.08.5-0ubuntu4+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2025-49091",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json"