CVE-2011-4971: Memcached

Medium severity, CVSS 5.0. EPSS: 22.3% chance of exploitation in the next 30 days.

Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of service (crash) via a large body length value in a packet.

Affected products

• Memcached Memcached: up to and including 1.4.5; version 1.2.7 only; version 1.2.8 only; version 1.4.0 only; version 1.4.1 only; version 1.4.2 only; …

Published 2013-12-12. Last modified 2026-06-16.