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 sasl_server_userdb_checkpass.

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 sasl_server_userdb_checkpass.

CVE-2018-0735 Timing attack against ECDSA signature generation

CVE-2018-0734 Timing attack against DSA

Side-Channel Attacks Against LLMs