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.

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History

Wed, 20 May 2026 07:45:00 +0000

Type Values Removed Values Added
Title Timing Side Channel in Memcached SASL Authentication

Wed, 20 May 2026 06:30:00 +0000

Type Values Removed Values Added
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.
First Time appeared Memcached
Memcached memcached
Weaknesses CWE-208
CPEs cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*
Vendors & Products Memcached
Memcached memcached
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-20T05:45:37.864Z

Reserved: 2026-05-20T05:45:37.209Z

Link: CVE-2026-47784

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-20T07:16:15.733

Modified: 2026-05-20T07:16:15.733

Link: CVE-2026-47784

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-20T07:30:25Z

Weaknesses