CVE-2009-1255: Memcachedb Memcached

Medium severity, CVSS 5.0. EPSS: 2.3% chance of exploitation in the next 30 days.

The process_stat function in (1) Memcached before 1.2.8 and (2) MemcacheDB 1.2.0 discloses (a) the contents of /proc/self/maps in response to a stats maps command and (b) memory-allocation statistics in response to a stats malloc command, which allows remote attackers to obtain sensitive information such as the locations of memory regions, and defeat ASLR protection, by sending a command to the daemon's TCP port.

Affected products

• Memcachedb Memcached: up to and including 1.2.0; version 0.0.1 only; version 0.0.2 only; version 0.0.3 only; version 0.0.4 only; version 0.1.0 only; …

Published 2009-04-30. Last modified 2026-06-16.