USN-8457-2

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Source
https://ubuntu.com/security/notices/USN-8457-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8457-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8457-2
Upstream
Related
Published
2026-06-24T06:38:35Z
Modified
2026-06-24T15:44:22.855844286Z
Summary
mysql-8.0 vulnerabilities
Details

USN-8457-1 fixed several vulnerabilities in MySQL. This update provides the corresponding fixes for MySQL on Ubuntu 20.04 LTS

Original advisory 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:Pro:20.04:LTS / mysql-8.0

Package

Name
mysql-8.0
Purl
pkg:deb/ubuntu/mysql-8.0?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.0.46-0ubuntu0.20.04.1+esm3

Affected versions

8.*
8.0.17-0ubuntu2
8.0.17-0ubuntu3
8.0.18-0ubuntu3
8.0.18-0ubuntu4
8.0.18-0ubuntu5
8.0.19-0ubuntu2
8.0.19-0ubuntu3
8.0.19-0ubuntu4
8.0.19-0ubuntu5
8.0.20-0ubuntu0.20.04.1
8.0.21-0ubuntu0.20.04.3
8.0.21-0ubuntu0.20.04.4
8.0.22-0ubuntu0.20.04.2
8.0.22-0ubuntu0.20.04.3
8.0.23-0ubuntu0.20.04.1
8.0.25-0ubuntu0.20.04.1
8.0.26-0ubuntu0.20.04.2
8.0.26-0ubuntu0.20.04.3
8.0.27-0ubuntu0.20.04.1
8.0.28-0ubuntu0.20.04.3
8.0.29-0ubuntu0.20.04.2
8.0.29-0ubuntu0.20.04.3
8.0.30-0ubuntu0.20.04.2
8.0.31-0ubuntu0.20.04.1
8.0.31-0ubuntu0.20.04.2
8.0.32-0buntu0.20.04.1
8.0.32-0ubuntu0.20.04.2
8.0.33-0ubuntu0.20.04.1
8.0.33-0ubuntu0.20.04.2
8.0.33-0ubuntu0.20.04.4
8.0.34-0ubuntu0.20.04.1
8.0.35-0ubuntu0.20.04.1
8.0.36-0ubuntu0.20.04.1
8.0.37-0ubuntu0.20.04.3
8.0.39-0ubuntu0.20.04.1
8.0.40-0ubuntu0.20.04.1
8.0.41-0ubuntu0.20.04.1
8.0.42-0ubuntu0.20.04.1
8.0.43-0ubuntu0.20.04.1+esm1
8.0.45-0ubuntu0.20.04.1+esm2
8.0.46-0ubuntu0.20.04.1+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmysqlclient21",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-client",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-client-8.0",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-client-core-8.0",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-router",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-server",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-server-8.0",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-server-core-8.0",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-source-8.0",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-testsuite",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        },
        {
            "binary_name": "mysql-testsuite-8.0",
            "binary_version": "8.0.46-0ubuntu0.20.04.1+esm3"
        }
    ],
    "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-8457-2.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:20.04: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"
                }
            ]
        }
    ]
}