CVE-2026-47784

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

8.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fed Patch
https://github.com/memcached/memcached/compare/1.6.41...1.6.42 Release Notes
https://github.com/memcached/memcached/wiki/ReleaseNotes1642 Release Notes
Configurations

Configuration 1 (hide)

cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*
History

21 May 2026, 17:06

Type Values Removed Values Added
First Time Memcached
Memcached memcached
References () https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fed - () https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fed - Patch
References () https://github.com/memcached/memcached/compare/1.6.41...1.6.42 - () https://github.com/memcached/memcached/compare/1.6.41...1.6.42 - Release Notes
References () https://github.com/memcached/memcached/wiki/ReleaseNotes1642 - () https://github.com/memcached/memcached/wiki/ReleaseNotes1642 - Release Notes
CPE cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*

20 May 2026, 07:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-20 07:16

Updated : 2026-05-21 17:06

NVD link : CVE-2026-47784

Mitre link : CVE-2026-47784

CVE.ORG link : CVE-2026-47784

JSON object : View

Products Affected

memcached

  • memcached
CWE
CWE-208

Observable Timing Discrepancy