In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade memcached-selinuxUpgrade memcached | Jun 24, 2026 | Jun 22, 2026 |
| Amazon_linux_2023 | — | Upgrade memcached-develUpgrade memcached-debuginfoUpgrade memcachedUpgrade memcached-debugsourceUpgrade memcached-selinux | Jun 9, 2026 | May 20, 2026 |
| Debian | — | Upgrade memcached | May 27, 2026 | May 27, 2026 |
| Redhat_linux | — | Upgrade memcached-debuginfoUpgrade memcached-debugsourceUpgrade memcachedUpgrade memcached-selinux | Jun 24, 2026 | May 20, 2026 |
| Rocky_linux | — | Upgrade memcached-debuginfoUpgrade memcachedUpgrade memcached-debugsourceUpgrade memcached-selinux | Jun 29, 2026 | Jun 24, 2026 |
| Ubuntu | — | Upgrade memcached | May 27, 2026 | May 27, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jun 29, 2026 | May 20, 2026 |
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