CVE-2026-47784

State: Published
Severity: 8.1 High
Published: May 20, 2026
Updated: May 20, 2026
Reserved: May 20, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	mitre

Weaknesses

CWE-208 Observable Timing Discrepancy

Affected Products

Product	Versions
memcachedmemcached	before 1.6.42Affected

References

https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fed
https://github.com/memcached/memcached/compare/1.6.41...1.6.42
https://github.com/memcached/memcached/wiki/ReleaseNotes1642

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