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Medium ALAS2023-2026-1781 2 CVEs

Moderate: memcached security update (Amazon Linux 2023)

Published Jun 8, 2026 · Updated Jun 8, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: 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. CVE-2026-47783: 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.

Fixed packages 5

ReleasePackageFixed in
Amazon Linux · 2023 memcached 0:1.6.42-2.amzn2023.0.1
Amazon Linux · 2023 memcached-debuginfo 0:1.6.42-2.amzn2023.0.1
Amazon Linux · 2023 memcached-debugsource 0:1.6.42-2.amzn2023.0.1
Amazon Linux · 2023 memcached-devel 0:1.6.42-2.amzn2023.0.1
Amazon Linux · 2023 memcached-selinux 0:1.6.42-2.amzn2023.0.1

Vulnerabilities 2

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-47783.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-47784.html