CVE-2026-101727

Publication date 20 October 2026

Last updated 11 November 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.9 · Medium

Score breakdown

Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Read the notes from the security team

Status

Package Ubuntu Release Status
mysql-5.5 26.10 stonking Not in release
26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
14.04 LTS trusty Ignored see notes
mysql-5.7 26.10 stonking Not in release
26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
18.04 LTS bionic Ignored see notes
16.04 LTS xenial Ignored see notes
mysql-8.0 26.10 stonking Not in release
26.04 LTS resolute Not in release
24.04 LTS noble
Fixed in 8.0.46-0ubuntu0.24.04.5
22.04 LTS jammy
Fixed in 8.0.46-0ubuntu0.22.04.5
20.04 LTS focal
Needs evaluation
mysql-8.4 26.10 stonking Not in release
26.04 LTS resolute
Fixed in 8.4.13-0ubuntu0.26.04.2
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
mysql-9.7 26.10 stonking
Fixed in 9.7.4-0ubuntu0.26.10.1
26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
mariadb 26.10 stonking
Needs evaluation
26.04 LTS resolute
Needs evaluation
24.04 LTS noble
Needs evaluation
22.04 LTS jammy Not in release
mariadb-10.0 26.10 stonking Not in release
26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
16.04 LTS xenial
Needs evaluation
mariadb-10.1 26.10 stonking Not in release
26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
18.04 LTS bionic
Needs evaluation
mariadb-10.3 26.10 stonking Not in release
26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored no more upstream support
mariadb-10.6 26.10 stonking Not in release
26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy
Needs evaluation
percona-xtradb-cluster-5.6 26.10 stonking Not in release
26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
16.04 LTS xenial
Needs evaluation
percona-server-5.6 26.10 stonking Not in release
26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
16.04 LTS xenial
Needs evaluation

Notes

iconstantin

since mysql versions 5.7 and earlier are no longer supported upstream, we are unable to update them to address security issues, marking as ignored. mariadb 5.5, 10.0, 10.1, and 10.3 are end of life and no longer supported upstream - marking as ignored.

Severity score breakdown

CVSS version: CVSS v3.0

Base score 4.9 · Medium

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-9046-1
    • MySQL vulnerabilities
    • 11 November 2026

Other references

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