Information Exposure Affecting memcached package, versions <0:1.6.23-7.el10_2.1


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
1.26% (67th percentile)

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  • Snyk IDSNYK-ORACLE10-MEMCACHED-18006803
  • published17 Jul 2026
  • disclosed20 May 2026

Introduced: 20 May 2026

CVE-2026-47783  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

Upgrade Oracle:10 memcached to version 0:1.6.23-7.el10_2.1 or higher.
This issue was patched in ELSA-2026-27842.

NVD Description

Note: Versions mentioned in the description apply only to the upstream memcached package and not the memcached package as distributed by Oracle. See How to fix? for Oracle:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1