PT-2026-42109 · Memcached · Memcached

Published 2026-05-20 · Updated 2026-05-20 · CVE-2026-47783

Mitre

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Fix

Weakness Enumeration

CWE-208

Related Identifiers

CVE-2026-47783

Affected Products

Memcached

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-47783 · Security Note
• https://github.com/memcached/memcached/compare/1.6.41...1.6.42 · Note
• https://github.com/memcached/memcached/wiki/ReleaseNotes1642 · Note
• https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fed · Note