RHSA-2020:5583 - Security Advisory

Topic

An update for memcached is now available for Red Hat OpenStack Platform 13
(Queens).

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

Description

memcached is a high-performance, distributed memory object caching system,
generic in nature, but intended for use in speeding up dynamic web
applications
by alleviating database load.

Security Fix(es):

• null-pointer dereference in "lru mode" and "lru temp_ttl" causing denial

of service (CVE-2019-11596)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.

Solution

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat OpenStack for IBM Power 13 ppc64le
• Red Hat OpenStack 13 x86_64

Fixes

• BZ - 1706001 - CVE-2019-11596 memcached: null-pointer dereference in "lru mode" and "lru temp_ttl" causing denial of service

CVEs

• CVE-2019-11596

References

• https://access.redhat.com/security/updates/classification/#moderate