USN-8457-1

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Source
https://ubuntu.com/security/notices/USN-8457-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8457-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8457-1
Upstream
Related
Published
2026-06-22T13:11:43Z
Modified
2026-06-22T20:19:14.923677939Z
Summary
mysql-8.0, mysql-8.4 vulnerabilities
Details

It was discovered that MySQL Router incorrectly handled repeated TLS protocol upgrade requests. An unauthenticated remote attacker could possibly use this issue to cause MySQL Router to crash, resulting in a denial of service. (CVE-2026-46862)

It was discovered that MySQL Server incorrectly handled connection authentication. An unauthenticated remote attacker could possibly use this issue to cause MySQL to crash, resulting in a denial of service. (CVE-2026-46863)

References

Affected packages

Ubuntu:22.04:LTS / mysql-8.0

Package

Name
mysql-8.0
Purl
pkg:deb/ubuntu/mysql-8.0?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.0.46-0ubuntu0.22.04.3

Affected versions

8.*
8.0.26-0ubuntu1
8.0.27-0ubuntu0.21.10.1
8.0.28-0ubuntu3
8.0.28-0ubuntu4
8.0.29-0ubuntu0.22.04.1
8.0.29-0ubuntu0.22.04.2
8.0.29-0ubuntu0.22.04.3
8.0.30-0ubuntu0.22.04.1
8.0.31-0ubuntu0.22.04.1
8.0.32-0buntu0.22.04.1
8.0.32-0ubuntu0.22.04.2
8.0.33-0ubuntu0.22.04.1
8.0.33-0ubuntu0.22.04.2
8.0.33-0ubuntu0.22.04.4
8.0.34-0ubuntu0.22.04.1
8.0.35-0ubuntu0.22.04.1
8.0.36-0ubuntu0.22.04.1
8.0.37-0ubuntu0.22.04.3
8.0.39-0ubuntu0.22.04.1
8.0.40-0ubuntu0.22.04.1
8.0.41-0ubuntu0.22.04.1
8.0.42-0ubuntu0.22.04.1
8.0.42-0ubuntu0.22.04.2
8.0.43-0ubuntu0.22.04.1
8.0.43-0ubuntu0.22.04.2
8.0.44-0ubuntu0.22.04.1
8.0.44-0ubuntu0.22.04.2
8.0.45-0ubuntu0.22.04.1
8.0.46-0ubuntu0.22.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmysqlclient21",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-client",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-client-8.0",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-client-core-8.0",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-router",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-server",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-server-8.0",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-server-core-8.0",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-source-8.0",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-testsuite",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "mysql-testsuite-8.0",
            "binary_version": "8.0.46-0ubuntu0.22.04.3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8457-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-46862",
            "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-2026-46863",
            "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"
                }
            ]
        }
    ]
}

Ubuntu:24.04:LTS / mysql-8.0

Package

Name
mysql-8.0
Purl
pkg:deb/ubuntu/mysql-8.0?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.0.46-0ubuntu0.24.04.3

Affected versions

8.*
8.0.34-1ubuntu1
8.0.35-1ubuntu1
8.0.35-1ubuntu2
8.0.36-1
8.0.36-2ubuntu1
8.0.36-2ubuntu2
8.0.36-2ubuntu3
8.0.37-0ubuntu0.24.04.1
8.0.39-0ubuntu0.24.04.1
8.0.39-0ubuntu0.24.04.2
8.0.40-0ubuntu0.24.04.1
8.0.41-0ubuntu0.24.04.1
8.0.42-0ubuntu0.24.04.1
8.0.42-0ubuntu0.24.04.2
8.0.43-0ubuntu0.24.04.1
8.0.43-0ubuntu0.24.04.2
8.0.44-0ubuntu0.24.04.1
8.0.44-0ubuntu0.24.04.2
8.0.45-0ubuntu0.24.04.1
8.0.46-0ubuntu0.24.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmysqlclient21",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-client",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-client-8.0",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-client-core-8.0",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-router",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-server",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-server-8.0",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-server-core-8.0",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-source-8.0",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-testsuite",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        },
        {
            "binary_name": "mysql-testsuite-8.0",
            "binary_version": "8.0.46-0ubuntu0.24.04.3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8457-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-46862",
            "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-2026-46863",
            "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"
                }
            ]
        }
    ]
}

Ubuntu:25.10 / mysql-8.4

Package

Name
mysql-8.4
Purl
pkg:deb/ubuntu/mysql-8.4?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.4.10-0ubuntu0.25.10.1

Affected versions

8.*
8.4.4-0ubuntu2
8.4.5-0ubuntu1
8.4.5-0ubuntu2
8.4.5-0ubuntu3
8.4.6-0ubuntu1
8.4.6-0ubuntu3
8.4.7-0ubuntu0.25.10.2
8.4.7-0ubuntu0.25.10.3
8.4.8-0ubuntu0.25.10.1
8.4.9-0ubuntu0.25.10.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmysqlclient24",
            "binary_version": "8.4.10-0ubuntu0.25.10.1"
        },
        {
            "binary_name": "mysql-client",
            "binary_version": "8.4.10-0ubuntu0.25.10.1"
        },
        {
            "binary_name": "mysql-client-core",
            "binary_version": "8.4.10-0ubuntu0.25.10.1"
        },
        {
            "binary_name": "mysql-router",
            "binary_version": "8.4.10-0ubuntu0.25.10.1"
        },
        {
            "binary_name": "mysql-server",
            "binary_version": "8.4.10-0ubuntu0.25.10.1"
        },
        {
            "binary_name": "mysql-server-core",
            "binary_version": "8.4.10-0ubuntu0.25.10.1"
        },
        {
            "binary_name": "mysql-source",
            "binary_version": "8.4.10-0ubuntu0.25.10.1"
        },
        {
            "binary_name": "mysql-testsuite",
            "binary_version": "8.4.10-0ubuntu0.25.10.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8457-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-46862",
            "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-2026-46863",
            "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"
                }
            ]
        }
    ]
}

Ubuntu:26.04:LTS / mysql-8.4

Package

Name
mysql-8.4
Purl
pkg:deb/ubuntu/mysql-8.4?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.4.10-0ubuntu0.26.04.1

Affected versions

8.*
8.4.6-0ubuntu3
8.4.7-0ubuntu2
8.4.7-0ubuntu3
8.4.8-0ubuntu1
8.4.9-0ubuntu0.26.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmysqlclient24",
            "binary_version": "8.4.10-0ubuntu0.26.04.1"
        },
        {
            "binary_name": "mysql-client",
            "binary_version": "8.4.10-0ubuntu0.26.04.1"
        },
        {
            "binary_name": "mysql-client-core",
            "binary_version": "8.4.10-0ubuntu0.26.04.1"
        },
        {
            "binary_name": "mysql-router",
            "binary_version": "8.4.10-0ubuntu0.26.04.1"
        },
        {
            "binary_name": "mysql-server",
            "binary_version": "8.4.10-0ubuntu0.26.04.1"
        },
        {
            "binary_name": "mysql-server-core",
            "binary_version": "8.4.10-0ubuntu0.26.04.1"
        },
        {
            "binary_name": "mysql-source",
            "binary_version": "8.4.10-0ubuntu0.26.04.1"
        },
        {
            "binary_name": "mysql-testsuite",
            "binary_version": "8.4.10-0ubuntu0.26.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8457-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-46862",
            "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-2026-46863",
            "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"
                }
            ]
        }
    ]
}