USN-8430-1

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Source
https://ubuntu.com/security/notices/USN-8430-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8430-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8430-1
Upstream
Related
Published
2026-06-15T16:19:26Z
Modified
2026-06-16T05:14:18.005568331Z
Summary
adsys vulnerabilities
Details

It was discovered that ADSys did not properly handle certain HTTP/2 frames. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-27141)

It was discovered that ADSys did not properly handle certain HTTP/2 SETTINGS frames. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-33814)

References

Affected packages

Ubuntu:Pro:20.04:LTS / adsys

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.2~20.04.2ubuntu0.1+esm2

Affected versions

0.*
0.8~22.04
0.9.2~20.04
0.9.2~20.04.1
0.9.2~20.04.2
0.9.2~20.04.2ubuntu0.1
0.9.2~20.04.2ubuntu0.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.2~20.04.2ubuntu0.1+esm2",
            "binary_name": "adsys"
        },
        {
            "binary_version": "0.9.2~20.04.2ubuntu0.1+esm2",
            "binary_name": "adsys-windows"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8430-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "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": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-33814"
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}

Ubuntu:22.04:LTS / adsys

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.16.3~22.04.2ubuntu0.22.04.1

Affected versions

0.*
0.7.1
0.7.1build1
0.8
0.8ubuntu1
0.8.1
0.8.2
0.8.3
0.8.4
0.8.5~22.04
0.9.2~22.04
0.9.2~22.04.1
0.9.2~22.04.2
0.14.1~22.04
0.14.2~22.04
0.14.2~22.04ubuntu0.1
0.14.3~22.04
0.14.3~22.04ubuntu0.1
0.16.3~22.04.1
0.16.3~22.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.16.3~22.04.2ubuntu0.22.04.1",
            "binary_name": "adsys"
        },
        {
            "binary_version": "0.16.3~22.04.2ubuntu0.22.04.1",
            "binary_name": "adsys-windows"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8430-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "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": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-33814"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}

Ubuntu:24.04:LTS / adsys

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.16.3~24.04.2ubuntu0.24.04.1

Affected versions

0.*
0.13.1
0.13.2
0.13.3
0.14.1
0.14.1build1
0.14.1ubuntu0.24.04.1
0.14.2~24.04
0.14.2~24.04ubuntu0.1
0.14.3~24.04
0.14.3~24.04ubuntu0.1
0.16.3~24.04.1
0.16.3~24.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.16.3~24.04.2ubuntu0.24.04.1",
            "binary_name": "adsys"
        },
        {
            "binary_version": "0.16.3~24.04.2ubuntu0.24.04.1",
            "binary_name": "adsys-windows"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8430-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "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": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-33814"
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}

Ubuntu:25.10 / adsys

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.16.3ubuntu0.25.10.2

Affected versions

0.*
0.16.3
0.16.3ubuntu0.25.10.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.16.3ubuntu0.25.10.2",
            "binary_name": "adsys"
        },
        {
            "binary_version": "0.16.3ubuntu0.25.10.2",
            "binary_name": "adsys-windows"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8430-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "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": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-33814"
        }
    ],
    "ecosystem": "Ubuntu:25.10"
}

Ubuntu:26.04:LTS / adsys

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.16.4ubuntu1.1

Affected versions

0.*
0.16.3
0.16.3ubuntu1
0.16.4
0.16.4ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.16.4ubuntu1.1",
            "binary_name": "adsys"
        },
        {
            "binary_version": "0.16.4ubuntu1.1",
            "binary_name": "adsys-windows"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8430-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-27141"
        },
        {
            "severity": [
                {
                    "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": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-33814"
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}