CVE-2018-1000127: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused from free list. This attack appear to be exploitable via network connectivity to the memcached service. This vulnerability appears to have been fixed in 1.4.37 and later.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 17.10 only
• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Memcached Memcached: before 1.4.37 (fixed in 1.4.37)
• Red Hat Openstack: version 10 only

Published 2018-03-13. Last modified 2026-06-17.