CVE-2026-47784 — HIGH (8.1)

Q: What is CVE-2026-47784?

CVE-2026-47784 is a vulnerability with a CVSS score of 8.1 (HIGH). 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.

Q: How severe is CVE-2026-47784?

CVE-2026-47784 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-47784?

Check the references section above for vendor advisories and patch information. Affected products include: Memcached Memcached.

Vulnerability 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 Score

8.1

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Memcached	Memcached	< 1.6.42

Related Weaknesses (CWE)

CWE-208

References

FAQ

What is CVE-2026-47784?

CVE-2026-47784 is a vulnerability with a CVSS score of 8.1 (HIGH). 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.

How severe is CVE-2026-47784?

CVE-2026-47784 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-47784?

Check the references section above for vendor advisories and patch information. Affected products include: Memcached Memcached.