Information Exposure Affecting memcached-debuginfo package, versions <0:1.6.42-2.amzn2023.0.1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.26% (67th percentile)

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  • Snyk IDSNYK-AMZN2023-MEMCACHEDDEBUGINFO-17288423
  • published10 Jun 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 Amazon-Linux:2023 memcached-debuginfo to version 0:1.6.42-2.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-1781.

NVD Description

Note: Versions mentioned in the description apply only to the upstream memcached-debuginfo package and not the memcached-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 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