USN-8380-1

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Source
https://ubuntu.com/security/notices/USN-8380-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8380-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8380-1
Upstream
Related
Published
2026-06-03T13:59:16Z
Modified
2026-06-03T22:18:10.339252311Z
Summary
twisted vulnerability
Details

It was discovered that Twisted incorrectly handled DNS name decompression. A remote attacker could possibly use this issue to cause Twisted to consume excessive resources, leading to a denial of service.

References

Affected packages

Ubuntu:22.04:LTS / twisted

Package

Name
twisted
Purl
pkg:deb/ubuntu/twisted?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
22.1.0-2ubuntu2.7

Affected versions

20.*
20.3.0-7ubuntu1
20.3.0-7ubuntu3
22.*
22.1.0-2ubuntu2
22.1.0-2ubuntu2.1
22.1.0-2ubuntu2.3
22.1.0-2ubuntu2.4
22.1.0-2ubuntu2.5
22.1.0-2ubuntu2.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "22.1.0-2ubuntu2.7",
            "binary_name": "python3-twisted"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8380-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-42304",
            "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"
                }
            ]
        }
    ]
}

Ubuntu:24.04:LTS / twisted

Package

Name
twisted
Purl
pkg:deb/ubuntu/twisted?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
24.3.0-1ubuntu0.2

Affected versions

22.*
22.4.0-4
22.4.0-4ubuntu1
23.*
23.10.0-2
24.*
24.3.0-1
24.3.0-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "24.3.0-1ubuntu0.2",
            "binary_name": "python3-twisted"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8380-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-42304",
            "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"
                }
            ]
        }
    ]
}

Ubuntu:25.10 / twisted

Package

Name
twisted
Purl
pkg:deb/ubuntu/twisted?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
24.11.0-1ubuntu0.1

Affected versions

24.*
24.11.0-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "24.11.0-1ubuntu0.1",
            "binary_name": "python3-twisted"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8380-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-42304",
            "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"
                }
            ]
        }
    ]
}

Ubuntu:26.04:LTS / twisted

Package

Name
twisted
Purl
pkg:deb/ubuntu/twisted?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
25.5.0-5ubuntu0.1

Affected versions

24.*
24.11.0-1
25.*
25.5.0-4
25.5.0-5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "25.5.0-5ubuntu0.1",
            "binary_name": "python3-twisted"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8380-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-42304",
            "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"
                }
            ]
        }
    ]
}