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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.

🗓️ 21 May 2026 08:01:59Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 9 Views

Memcached versions before 1.6.42 have a timing side channel in SASL user database checks.

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22 May 2026 21:39Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.1
EPSS0.01143
SSVC
9