USN-6505-1

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Source
https://ubuntu.com/security/notices/USN-6505-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6505-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6505-1
Upstream
Related
Published
2023-11-22T14:45:49.527432Z
Modified
2025-10-13T04:36:42Z
Summary
nghttp2 vulnerability
Details

It was discovered that nghttp2 incorrectly handled request cancellation. A remote attacker could possibly use this issue to cause nghttp2 to consume resources, leading to a denial of service.

References

Affected packages

Ubuntu:20.04:LTS / nghttp2

Package

Name
nghttp2
Purl
pkg:deb/ubuntu/nghttp2@1.40.0-1ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.40.0-1ubuntu0.2

Affected versions

1.*

1.39.2-1
1.40.0-1
1.40.0-1build1
1.40.0-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnghttp2-14",
            "binary_version": "1.40.0-1ubuntu0.2"
        },
        {
            "binary_name": "libnghttp2-dev",
            "binary_version": "1.40.0-1ubuntu0.2"
        },
        {
            "binary_name": "nghttp2",
            "binary_version": "1.40.0-1ubuntu0.2"
        },
        {
            "binary_name": "nghttp2-client",
            "binary_version": "1.40.0-1ubuntu0.2"
        },
        {
            "binary_name": "nghttp2-proxy",
            "binary_version": "1.40.0-1ubuntu0.2"
        },
        {
            "binary_name": "nghttp2-server",
            "binary_version": "1.40.0-1ubuntu0.2"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04: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 / nghttp2

Package

Name
nghttp2
Purl
pkg:deb/ubuntu/nghttp2@1.43.0-1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.43.0-1ubuntu0.1

Affected versions

1.*

1.43.0-1
1.43.0-1build1
1.43.0-1build2
1.43.0-1build3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnghttp2-14",
            "binary_version": "1.43.0-1ubuntu0.1"
        },
        {
            "binary_name": "libnghttp2-dev",
            "binary_version": "1.43.0-1ubuntu0.1"
        },
        {
            "binary_name": "nghttp2",
            "binary_version": "1.43.0-1ubuntu0.1"
        },
        {
            "binary_name": "nghttp2-client",
            "binary_version": "1.43.0-1ubuntu0.1"
        },
        {
            "binary_name": "nghttp2-proxy",
            "binary_version": "1.43.0-1ubuntu0.1"
        },
        {
            "binary_name": "nghttp2-server",
            "binary_version": "1.43.0-1ubuntu0.1"
        }
    ]
}

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"
                }
            ]
        }
    ]
}