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mysql

401 known vulnerabilities.

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Medium 6.3

CVE-2026-63379

Libevent: HTTP Header smuggling

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent processes chunked HTTP trailers in http.c through evhttp_read_trailer and merges them into request headers. The fix introduces evhttp_parse_headers_impl_ and a temporary trai…

libevent libevent mysql libevent Debian Ubuntu Azure Linux

Aug 20, 2026
Medium 5.8

CVE-2026-63381

Libevent: Dangling Pointer in `evbuffer_add_buffer_reference`

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has a use-after-free in buffer.c when evbuffer_add_buffer_reference processes an output buffer whose out_total_len is zero. evbuffer_free_all_chains frees the initial empty c…

libevent libevent mysql libevent Debian Ubuntu Azure Linux

Aug 20, 2026
Medium 6.5

CVE-2026-61109

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: JSON). Supported versions …

Oracle MySQL Server MySQL Cluster percona-server-5.6 Ubuntu Azure Linux

Jul 21, 2026
Medium 4.9

CVE-2026-35240

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-35239

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affecte…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-35237

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-35238

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-35236

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 6.5

CVE-2026-34308 Public exploit

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: JSON). Supported versions that are affect…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-34304

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 6.5

CVE-2026-34303

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Debian Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-34293

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affecte…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-34278

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 6.5

CVE-2026-34276

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). Supported vers…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 6.5

CVE-2026-34270

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). Supported vers…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 6.5

CVE-2026-34271

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). Supported vers…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-34267

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 6.5

CVE-2026-22017 Public exploit

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.3

CVE-2026-22015 Public exploit

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema). Supported versions t…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 6.5

CVE-2026-22009 Public exploit

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-22005 Public exploit

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-22004 Public exploit

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-22002 Public exploit

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 4.9

CVE-2026-21998

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Apr 21, 2026
Medium 6.5

CVE-2026-21968

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Debian Ubuntu Azure Linux

Jan 20, 2026
Medium 4.9

CVE-2026-21964

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that …

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Jan 20, 2026
Medium 4.9

CVE-2026-21948

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Jan 20, 2026
Medium 4.9

CVE-2026-21941

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Jan 20, 2026
Medium 4.9

CVE-2026-21936

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server MySQL Cluster percona-server-5.6 Ubuntu Azure Linux

Jan 20, 2026
Medium 4.9

CVE-2026-21937

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affecte…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Jan 20, 2026
Medium 4.9

CVE-2025-53069

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Components Services). Supported versions …

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Oct 21, 2025
Medium 4.9

CVE-2025-53062

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Oct 21, 2025
Medium 5.5

CVE-2025-53054

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Oct 21, 2025
Medium 5.5

CVE-2025-53053

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affecte…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Oct 21, 2025
Medium 4.9

CVE-2025-53044

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Oct 21, 2025
Medium 4.9

CVE-2025-53045

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Oct 21, 2025
Medium 4.9

CVE-2025-53042

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Oct 21, 2025
Medium 4.9

CVE-2025-53040

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Oct 21, 2025
Medium 4.9

CVE-2025-53023

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are…

Oracle MySQL Server MySQL Cluster percona-server-5.6 Ubuntu Azure Linux

Jul 15, 2025
Medium 4.9

CVE-2025-50102

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…

Oracle MySQL Server percona-server-5.6 percona-xtradb-cluster-5.6 Ubuntu Azure Linux

Jul 15, 2025