CVE-2026-47784 In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by saslserveruserdbcheckpass. CVE-2026-47783 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 saslserveruserdbcheckpass.