CVE-2026-47784

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Summary

CVECVE-2026-47784
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-20 07:16:15 UTC
Updated2026-05-21 17:06:33 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000850000 probability, percentile 0.245720000 (date 2026-05-27)

Problem Types: CWE-208 | CWE-208 CWE-208 Observable Timing Discrepancy

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Memcached Memcached All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Memcached Memcached affected 1.6.42 semver Not specified

References

ReferenceSourceLinkTags
github.com/memcached/memcached/compare/1.6.41...1.6.42 [email protected] github.com Release Notes
github.com/memcached/memcached/wiki/ReleaseNotes1642 [email protected] github.com Release Notes
github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114... [email protected] github.com Patch
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