USN-8249-1

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Source
https://ubuntu.com/security/notices/USN-8249-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8249-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-8249-1
Upstream
Related
Published
2026-05-07T13:16:26Z
Modified
2026-05-08T13:44:24.828584760Z
Summary
dpkg vulnerability
Details

Yashashree Gund discovered that the dpkg dpkg-deb tool incorrectly handled certain zstd-compressed .deb archives. If a user or automated system were tricked into manipulating a specially crafted .deb archive, a remote attacker could possibly use this issue to cause dpkg-deb to stop responding, resulting in a denial of service.

References

Affected packages

Ubuntu:24.04:LTS / dpkg

Package

Name
dpkg
Purl
pkg:deb/ubuntu/dpkg@1.22.6ubuntu6.6?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.22.6ubuntu6.6

Affected versions

1.*
1.22.0ubuntu1
1.22.1ubuntu2
1.22.1ubuntu3
1.22.1ubuntu5
1.22.2ubuntu2
1.22.4ubuntu3
1.22.4ubuntu5
1.22.6ubuntu5
1.22.6ubuntu6
1.22.6ubuntu6.1
1.22.6ubuntu6.2
1.22.6ubuntu6.5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "dpkg",
            "binary_version": "1.22.6ubuntu6.6"
        },
        {
            "binary_name": "dselect",
            "binary_version": "1.22.6ubuntu6.6"
        },
        {
            "binary_name": "libdpkg-perl",
            "binary_version": "1.22.6ubuntu6.6"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-2219",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8249-1.json"

Ubuntu:25.10 / dpkg

Package

Name
dpkg
Purl
pkg:deb/ubuntu/dpkg@1.22.21ubuntu3.2?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.22.21ubuntu3.2

Affected versions

1.*
1.22.18ubuntu2
1.22.18ubuntu3
1.22.21ubuntu1
1.22.21ubuntu3
1.22.21ubuntu3.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "dpkg",
            "binary_version": "1.22.21ubuntu3.2"
        },
        {
            "binary_name": "dselect",
            "binary_version": "1.22.21ubuntu3.2"
        },
        {
            "binary_name": "libdpkg-perl",
            "binary_version": "1.22.21ubuntu3.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-2219",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:25.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8249-1.json"