RHSA-2026:27862HighCVSS 8.1

Red Hat Security Advisory: memcached security update

Published
June 22, 2026
Last Modified
August 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-47783 →

📋 Description

CVE-2026-47783 — memcached: memcached: Username enumeration via timing side channel

🎯 Affected products18

  • Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-0:1.6.9-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-0:1.6.9-7.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-0:1.6.9-7.el9_8.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-0:1.6.9-7.el9_8.1.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-0:1.6.9-7.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-debuginfo-0:1.6.9-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-debuginfo-0:1.6.9-7.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-debuginfo-0:1.6.9-7.el9_8.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-debuginfo-0:1.6.9-7.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-debugsource-0:1.6.9-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-debugsource-0:1.6.9-7.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-debugsource-0:1.6.9-7.el9_8.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-debugsource-0:1.6.9-7.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-selinux-0:1.6.9-7.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-selinux-0:1.6.9-7.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-selinux-0:1.6.9-7.el9_8.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • memcached-selinux-0:1.6.9-7.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)

✅ 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)