RHSA-2025:1755HighCVSS 7.5

Red Hat Security Advisory: mysql security update

Published
February 24, 2025
Last Modified
August 6, 2026

🔗 CVE IDs covered (1)

CVE-2025-21521 →

📋 Description

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

🎯 Affected products42

  • Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-0:8.0.40-2.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-0:8.0.40-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-0:8.0.40-2.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-0:8.0.40-2.el9_0.src as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-0:8.0.40-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-common-0:8.0.40-2.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-common-0:8.0.40-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-common-0:8.0.40-2.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-common-0:8.0.40-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-debuginfo-0:8.0.40-2.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-debuginfo-0:8.0.40-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-debuginfo-0:8.0.40-2.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-debuginfo-0:8.0.40-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-debugsource-0:8.0.40-2.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-debugsource-0:8.0.40-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-debugsource-0:8.0.40-2.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-debugsource-0:8.0.40-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-devel-debuginfo-0:8.0.40-2.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-devel-debuginfo-0:8.0.40-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-devel-debuginfo-0:8.0.40-2.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-devel-debuginfo-0:8.0.40-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-errmsg-0:8.0.40-2.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-errmsg-0:8.0.40-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-errmsg-0:8.0.40-2.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-errmsg-0:8.0.40-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-libs-debuginfo-0:8.0.40-2.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-libs-debuginfo-0:8.0.40-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-libs-debuginfo-0:8.0.40-2.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • mysql-libs-debuginfo-0:8.0.40-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • +12 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)