RHSA-2026:5640MediumCVSS 6.5

Red Hat Security Advisory: mysql:8.4 security update

Published
March 24, 2026
Last Modified
November 5, 2026

🔗 CVE IDs covered (6)

CVE-2026-21948 →CVE-2026-21964 →CVE-2026-21968 →CVE-2026-21936 →CVE-2026-21937 →CVE-2026-21941 →

📋 Description

CVE-2026-21936 — mysql: InnoDB unspecified vulnerability (CPU Jan 2026) CVE-2026-21937 — mysql: DDL unspecified vulnerability (CPU Jan 2026) CVE-2026-21941 — mysql: Optimizer unspecified vulnerability (CPU Jan 2026) CVE-2026-21948 — mysql: Optimizer unspecified vulnerability (CPU Jan 2026) CVE-2026-21964 — mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026) CVE-2026-21968 — mysql: Optimizer unspecified vulnerability (CPU Jan 2026)

🎯 Affected products81

  • Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.aarch64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.ppc64le (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.s390x (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.src (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.x86_64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-debuginfo-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.aarch64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-debuginfo-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.ppc64le (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-debuginfo-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.s390x (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-debuginfo-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.x86_64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-debugsource-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.aarch64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-debugsource-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.ppc64le (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-debugsource-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.s390x (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-debugsource-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.x86_64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-devel-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.aarch64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-devel-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.ppc64le (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-devel-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.s390x (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-devel-0:0.996-3.module+el9.7.0+24088+36dcab8d.4.x86_64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d.aarch64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d.ppc64le (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d.s390x (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d.src (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d.x86_64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-ipadic-EUCJP-0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d.aarch64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-ipadic-EUCJP-0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d.ppc64le (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-ipadic-EUCJP-0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d.s390x (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mecab-ipadic-EUCJP-0:2.7.0.20070801-24.module+el9.7.0+24088+36dcab8d.x86_64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mysql-0:8.4.8-1.module+el9.7.0+24088+36dcab8d.aarch64 (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mysql-0:8.4.8-1.module+el9.7.0+24088+36dcab8d.ppc64le (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • mysql-0:8.4.8-1.module+el9.7.0+24088+36dcab8d.s390x (mysql:8.4) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • +51 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (9)