CVE-2019-11596: Null Pointer Dereference
First published: Mon Apr 29 2019(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Memcached Memcached | <1.5.14 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| Canonical Ubuntu Linux | =19.04 | |
| 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-1 1.6.18-1 1.6.29-1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
- https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02
- https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f
- https://github.com/memcached/memcached/issues/474
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/
- https://usn.ubuntu.com/3963-1/
- https://launchpad.net/bugs/cve/CVE-2019-11596
- https://security-tracker.debian.org/tracker/CVE-2019-11596
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/
- https://ubuntu.com/security/notices/USN-3963-1
- https://www.cve.org/CVERecord?id=CVE-2019-11596
- https://nvd.nist.gov/vuln/detail/CVE-2019-11596
- https://ubuntu.com/security/CVE-2019-11596
Frequently Asked Questions
What is the vulnerability ID for this memcached vulnerability?
The vulnerability ID for this memcached vulnerability is CVE-2019-11596.
What is the severity of CVE-2019-11596?
The severity of CVE-2019-11596 is high (7.5).
What software versions are affected by CVE-2019-11596?
Versions of memcached before 1.5.14 are affected by CVE-2019-11596.
How can I fix CVE-2019-11596?
You can fix CVE-2019-11596 by upgrading memcached to version 1.5.14 or later.
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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- version/canonical ubuntu linux/19.04
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