# mysql-source 8.4.9-0ubuntu0.26.04.1: mysql-source 8.4.9-0ubuntu0.26.04.1 for Ubuntu 26.04.1 LTS (resolute)

mysql-source 8.4.9-0ubuntu0.26.04.1, released April 21, 2026, fixes 22 CVEs in mysql-source. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-resolute-mysql-source-8.4.9-0ubuntu0.26.04.1
- Platform: Linux
- Released: Apr 21, 2026
- Priority: Routine (Closes 22 CVEs, none high severity)
- CVEs: 22, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [mysql-source](https://patchblox.com/security/data/product/linux/mysql-source.md) | Ubuntu 26.04.1 LTS (resolute) | 8.4.9-0ubuntu0.26.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-21998](https://patchblox.com/security/data/cve/CVE-2026-21998.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0032 |  |
| [CVE-2026-22002](https://patchblox.com/security/data/cve/CVE-2026-22002.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0032 |  |
| [CVE-2026-22004](https://patchblox.com/security/data/cve/CVE-2026-22004.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0032 |  |
| [CVE-2026-22005](https://patchblox.com/security/data/cve/CVE-2026-22005.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0032 |  |
| [CVE-2026-34304](https://patchblox.com/security/data/cve/CVE-2026-34304.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0032 |  |
| [CVE-2026-22009](https://patchblox.com/security/data/cve/CVE-2026-22009.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0030 |  |
| [CVE-2026-22017](https://patchblox.com/security/data/cve/CVE-2026-22017.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0030 |  |
| [CVE-2026-34270](https://patchblox.com/security/data/cve/CVE-2026-34270.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0030 |  |
| [CVE-2026-34271](https://patchblox.com/security/data/cve/CVE-2026-34271.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0030 |  |
| [CVE-2026-34276](https://patchblox.com/security/data/cve/CVE-2026-34276.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0030 |  |
| [CVE-2026-34303](https://patchblox.com/security/data/cve/CVE-2026-34303.md) | Routine | mariadb: mysql: optimizer unspecified vulnerability (bsc#1266435). | 6.5 | 0.0030 |  |
| [CVE-2026-34308](https://patchblox.com/security/data/cve/CVE-2026-34308.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0030 |  |
| [CVE-2026-34318](https://patchblox.com/security/data/cve/CVE-2026-34318.md) | Routine | libmysqlclient21: Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client) | n/a | 0.0026 |  |
| [CVE-2026-22001](https://patchblox.com/security/data/cve/CVE-2026-22001.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0026 |  |
| [CVE-2026-22015](https://patchblox.com/security/data/cve/CVE-2026-22015.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0024 |  |
| [CVE-2026-35236](https://patchblox.com/security/data/cve/CVE-2026-35236.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0024 |  |
| [CVE-2026-35237](https://patchblox.com/security/data/cve/CVE-2026-35237.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0024 |  |
| [CVE-2026-35238](https://patchblox.com/security/data/cve/CVE-2026-35238.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0024 |  |
| [CVE-2026-35239](https://patchblox.com/security/data/cve/CVE-2026-35239.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0024 |  |
| [CVE-2026-35240](https://patchblox.com/security/data/cve/CVE-2026-35240.md) | Routine | mecab: ELSA-2026-26180: mysql:8.4 security update (MODERATE) | 6.5 | 0.0024 |  |
| [CVE-2026-34317](https://patchblox.com/security/data/cve/CVE-2026-34317.md) | Routine | libmysqlclient21: Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client) | n/a | 0.0015 |  |
| [CVE-2026-34319](https://patchblox.com/security/data/cve/CVE-2026-34319.md) | Routine | libmysqlclient21: Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client) | n/a | 0.0015 |  |

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Data as of 2026-11-12T19:57:06Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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