CVE-2018-1000127

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.

• CWE-190
• CWE-667

• https://access.redhat.com/errata/RHSA-2018:2290Third Party Advisory
• https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00Patch, Third Party Advisory
• https://github.com/memcached/memcached/issues/271Third Party Advisory
• https://github.com/memcached/memcached/wiki/ReleaseNotes1437Release Notes, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/03/msg00031.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/3601-1/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4218Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:2290Third Party Advisory
• https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00Patch, Third Party Advisory
• https://github.com/memcached/memcached/issues/271Third Party Advisory
• https://github.com/memcached/memcached/wiki/ReleaseNotes1437Release Notes, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/03/msg00031.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/3601-1/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4218Third Party Advisory

Published

Mar 13, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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