VulnerabilityAnalyzed

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.

HIGH 8.1EPSS 0.55%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.55% probability · 44th percentile
CISA KEV: Not listed
Weakness: CWE-208
Affected: memcached/memcached
Source: cve@mitre.org

References

https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fedPatch
https://github.com/memcached/memcached/compare/1.6.41...1.6.42Release Notes
https://github.com/memcached/memcached/wiki/ReleaseNotes1642Release Notes

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.