In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.
CVSS Details
- CVSS 3.1 Base Score: 8.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade memcached-debugsourceUpgrade memcached-develUpgrade memcached-selinuxUpgrade memcachedUpgrade memcached-debuginfo | Jun 9, 2026 | May 20, 2026 |
| Debian | — | Upgrade memcached | May 27, 2026 | May 27, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | May 20, 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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