CVE-2009-1255: The process_stat function in (1) Memcached before 1.2.8 and (2) MemcacheDB 1.2.0 discloses (a) the contents...

Security readout for executives and security teams

CVE-2009-1255 is an information leak in old Memcached and MemcacheDB services. A remote user who can reach the daemon port could obtain process memory layout details, weakening ASLR and making other memory-corruption attacks easier. It is not described as direct code execution in the provided sources. Exposure is most likely in legacy environments still running Memcached before 1.2.8 or MemcacheDB 1.2.0, especially if the service port is reachable from untrusted networks. Modern managed cache deployments are less likely affected unless they preserve these old versions or behavior. Treat this as a targeted legacy-risk cleanup. It is not evidenced as actively exploited, but externally reachable affected cache services create useful attacker reconnaissance data and should be removed from internet exposure promptly. Mitigation focus: Upgrade Memcached to 1.2.8 or later where applicable.; Apply vendor or project guidance for affected MemcacheDB deployments.; Restrict daemon TCP access to trusted application hosts only..

Prepared

Jun 28, 2026, 11:04 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.