CVE-2019-11596: Null Pointer Dereference

Published Apr 29, 2019
·
Updated

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

Affected Software

9 affected componentsFixes available
ubuntu/memcached<1.5.6-0ubuntu1.1
1.5.6-0ubuntu1.1
ubuntu/memcached<1.5.10-0ubuntu1.18.10.1
1.5.10-0ubuntu1.18.10.1
ubuntu/memcached<1.5.10-0ubuntu1.19.04.1
1.5.10-0ubuntu1.19.04.1
ubuntu/memcached<1.5.14
1.5.14
debian/memcached
1.6.9+dfsg-11.6.18-11.6.29-1
Memcached Memcached<1.5.14
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
Canonical Ubuntu Linux=19.04

Event History

Apr 29, 2019
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·02:46 PM
Data Sourced
via MITRE·02:46 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·11:14 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID for this memcached vulnerability?

The vulnerability ID for this memcached vulnerability is CVE-2019-11596.

2

What is the severity of CVE-2019-11596?

The severity of CVE-2019-11596 is high (7.5).

3

What software versions are affected by CVE-2019-11596?

Versions of memcached before 1.5.14 are affected by CVE-2019-11596.

4

How can I fix CVE-2019-11596?

You can fix CVE-2019-11596 by upgrading memcached to version 1.5.14 or later.

5

Where can I find more information about CVE-2019-11596?

You can find more information about CVE-2019-11596 at the following references: [1](http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html), [2](https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02), [3](https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f).

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