REDHAT-BUG-2480089: High severity Memcached Memcached vulnerability

Published May 20, 2026
·
Updated

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 saslserveruserdbcheckpass.

Affected Software

1 affected component
Memcached Memcached<1.6.42

Event History

May 20, 2026
Data Sourced
via Red Hat·07:01 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2480089?

The severity of REDHAT-BUG-2480089 is rated as high (7).

2

What is the risk associated with REDHAT-BUG-2480089?

The risk associated with REDHAT-BUG-2480089 is 33.

3

How do I fix REDHAT-BUG-2480089?

To fix REDHAT-BUG-2480089, update Memcached to version 1.6.42 or later.

4

What vulnerability does REDHAT-BUG-2480089 address in Memcached?

REDHAT-BUG-2480089 addresses a timing side channel vulnerability related to SASL password database authentication.

5

Which versions of Memcached are affected by REDHAT-BUG-2480089?

Memcached versions prior to 1.6.42 are affected by REDHAT-BUG-2480089.

Company

Resources

Contact

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