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CVE-2019-11596

Published: 29 April 2019

In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in process_lru_command in memcached.c.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
memcached
Launchpad, Ubuntu, Debian
bionic
Released (1.5.6-0ubuntu1.1)
cosmic
Released (1.5.10-0ubuntu1.18.10.1)
disco
Released (1.5.10-0ubuntu1.19.04.1)
upstream
Released (1.5.14)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H