# CVE-2019-11596: memcached: memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in...

CVE-2019-11596 is fixed in memcached on 1 platform, first by memcached 1.5.6-0ubuntu1.1, released April 28, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-11596
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0296
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 28, 2019

## Description

memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.   Security Fix(es):  * memcached: null-pointer dereference in "lru mode" and "lru temp_ttl" causing denial of service (CVE-2019-11596)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.2 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | memcached RHEL 8 | 0:1.5.9-3.el8 | [RHSA-2020:1576](https://patchblox.com/security/data/fix/linux/rhsa-2020-1576.md) | Apr 28, 2020 |
| Linux | memcached Ubuntu 18.04.6 LTS (bionic) | 1.5.6-0ubuntu1.1 | [memcached 1.5.6-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-memcached-1.5.6-0ubuntu1.1.md) | Apr 28, 2019 |
| Linux | memcached ol 8 | 0:1.5.9-3.el8 | [ELSA-2020-1576](https://patchblox.com/security/data/fix/linux/elsa-2020-1576.md) | May 5, 2020 |

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