RHBA-2025:5321HighCVSS 7.5

Red Hat Bug Fix Advisory: mysql8.4 bug fix and enhancement update

Published
May 13, 2025
Last Modified
August 6, 2026

🔗 CVE IDs covered (1)

📋 Description

CVE-2025-21521 — mysql: MySQL Server: Denial of service in Thread Pooling component

🎯 Affected products74

  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-0:8.4.4-2.el10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-0:8.4.4-2.el10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-0:8.4.4-2.el10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-0:8.4.4-2.el10.src as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-0:8.4.4-2.el10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-common-0:8.4.4-2.el10.noarch as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-debuginfo-0:8.4.4-2.el10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-debuginfo-0:8.4.4-2.el10.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-debuginfo-0:8.4.4-2.el10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-debuginfo-0:8.4.4-2.el10.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-debuginfo-0:8.4.4-2.el10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-debuginfo-0:8.4.4-2.el10.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-debuginfo-0:8.4.4-2.el10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-debuginfo-0:8.4.4-2.el10.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-debugsource-0:8.4.4-2.el10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-debugsource-0:8.4.4-2.el10.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-debugsource-0:8.4.4-2.el10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-debugsource-0:8.4.4-2.el10.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-debugsource-0:8.4.4-2.el10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-debugsource-0:8.4.4-2.el10.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-debugsource-0:8.4.4-2.el10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-debugsource-0:8.4.4-2.el10.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-devel-0:8.4.4-2.el10.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-devel-0:8.4.4-2.el10.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-devel-0:8.4.4-2.el10.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-devel-0:8.4.4-2.el10.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • mysql8.4-devel-debuginfo-0:8.4.4-2.el10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • mysql8.4-devel-debuginfo-0:8.4.4-2.el10.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • +44 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 (4)