Linux · Debian · Security advisory · May 20, 2026

DEBIAN-CVE-2026-47784: memcached security update

DEBIAN-CVE-2026-47784, released May 20, 2026, fixes 1 CVE in memcached. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
8.1
Base score, 0 to 10
Highest EPSS
0.0055
46th percentile

Fixed package versions

ProductReleaseFixed in
memcachedDebian 12.15 (bookworm)1.6.18-1+deb12u1
memcachedDebian 141.6.42-1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High 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.8.1 0.0055 None reported
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