Linux · 
Red Hat · Security advisory · April 15, 2026
Red Hat · Security advisory · April 15, 2026RHSA-2026:5640: Security update for 14 packages
RHSA-2026:5640, released April 15, 2026, fixes 6 CVEs across 14 products. None of them is reported as exploited. Patch Radar priority: Routine.
Routine
CVEs closed
6
None rated Critical
Exploited
0
None reported
Highest CVSS
6.5
Base score, 0 to 10
Highest EPSS
0.0040
34th percentile
Priority of the 6 CVEs
Patch now 0
Urgent 0
High 0
Routine 6
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| mecab | RHEL 9 | 0:0.996-3.module+el9.7.0+24088+36dcab8d.4 |
| mecab-devel | RHEL 9 | 0:0.996-3.module+el9.7.0+24088+36dcab8d.4 |
| mecab-ipadic | RHEL 9 | 0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d |
| mecab-ipadic-EUCJP | RHEL 9 | 0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d |
| mysql | RHEL 9 | 0:8.4.8-1.module+el9.7.0+24088+36dcab8d |
| mysql-common | RHEL 9 | 0:8.4.8-1.module+el9.7.0+24088+36dcab8d |
| mysql-devel | RHEL 9 | 0:8.4.8-1.module+el9.7.0+24088+36dcab8d |
| mysql-errmsg | RHEL 9 | 0:8.4.8-1.module+el9.7.0+24088+36dcab8d |
| mysql-libs | RHEL 9 | 0:8.4.8-1.module+el9.7.0+24088+36dcab8d |
| mysql-server | RHEL 9 | 0:8.4.8-1.module+el9.7.0+24088+36dcab8d |
| mysql-test | RHEL 9 | 0:8.4.8-1.module+el9.7.0+24088+36dcab8d |
| mysql-test-data | RHEL 9 | 0:8.4.8-1.module+el9.7.0+24088+36dcab8d |
| rapidjson-devel | RHEL 9 | 0:1.1.0-19.module+el9.7.0+24088+36dcab8d |
| rapidjson-doc | RHEL 9 | 0:1.1.0-19.module+el9.7.0+24088+36dcab8d |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Routine | CVE-2026-21964 | mysql8.4: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling) | 6.5 | 0.0040 | None reported |
| Routine | CVE-2026-21936 | mysql-testsuite: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB) | 6.5 | 0.0040 | None reported |
| Routine | CVE-2026-21937 | libmysqlclient24: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL) | 6.5 | 0.0040 | None reported |
| Routine | CVE-2026-21941 | mysql8.4: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer) | 6.5 | 0.0040 | None reported |
| Routine | CVE-2026-21948 | mysql8.4: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer) | 6.5 | 0.0040 | None reported |
| Routine | CVE-2026-21968 | galera: MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL | 6.5 | 0.0031 | None reported |
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