USN-6427-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-6427-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6427-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6427-1
Upstream
Related
Published
2023-10-10T18:18:10.468957Z
Modified
2025-10-13T04:36:39Z
Summary
dotnet6, dotnet7 vulnerability
Details

It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service.

References

Affected packages

Ubuntu:22.04:LTS / dotnet6

Package

Name
dotnet6
Purl
pkg:deb/ubuntu/dotnet6@6.0.123-0ubuntu1~22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.123-0ubuntu1~22.04.1

Affected versions

6.*

6.0.108-0ubuntu1~22.04.1
6.0.109-0ubuntu1~22.04.1
6.0.110-0ubuntu1~22.04.1
6.0.111-0ubuntu1~22.04.1
6.0.113-0ubuntu1~22.04.1
6.0.116-0ubuntu1~22.04.1
6.0.118-0ubuntu1~22.04.1
6.0.119-0ubuntu1~22.04.1
6.0.120-0ubuntu1~22.04.1
6.0.121-0ubuntu1~22.04.1
6.0.122-0ubuntu1~22.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "aspnetcore-runtime-6.0",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "aspnetcore-targeting-pack-6.0",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-apphost-pack-6.0",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-host",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-hostfxr-6.0",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-runtime-6.0",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-sdk-6.0",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-sdk-6.0-source-built-artifacts",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-targeting-pack-6.0",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-templates-6.0",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet6",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "netstandard-targeting-pack-2.1",
            "binary_version": "6.0.123-0ubuntu1~22.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-44487",
            "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": "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": "high"
                }
            ]
        }
    ]
}

Ubuntu:22.04:LTS / dotnet7

Package

Name
dotnet7
Purl
pkg:deb/ubuntu/dotnet7@7.0.112-0ubuntu1~22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.0.112-0ubuntu1~22.04.1

Affected versions

7.*

7.0.105-0ubuntu1~22.04.1
7.0.107-0ubuntu1~22.04.1
7.0.108-0ubuntu1~22.04.1
7.0.109-0ubuntu1~22.04.1
7.0.110-0ubuntu1~22.04.1
7.0.111-0ubuntu1~22.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "aspnetcore-runtime-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "aspnetcore-targeting-pack-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-apphost-pack-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-host-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-hostfxr-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-runtime-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-sdk-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-sdk-7.0-source-built-artifacts",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-targeting-pack-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet-templates-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "dotnet7",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        },
        {
            "binary_name": "netstandard-targeting-pack-2.1-7.0",
            "binary_version": "7.0.112-0ubuntu1~22.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-44487",
            "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": "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": "high"
                }
            ]
        }
    ]
}