CVE-2017-3450

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached)....

7.5 HighFix available

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

4.28%Up 3.0 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2017-3450
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-3450
Updated: 2026-11-02

EUVDEUVD-2017-12571 No score

Record: EUVD-2017-12571
Updated: 2026-11-03

GitHub AdvisoriesGHSA-ggfr-xfv3-69h3 7.5

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached)....

Record: GHSA-ggfr-xfv3-69h3
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV 7.5

Record: CVE-2017-3450
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVRHSA-2017:2787 7.7

Red Hat Security Advisory: rh-mysql56-mysql security and bug fix update

Record: RHSA-2017:2787
CVSS 3.0: 7.7 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Updated: 2026-11-02

OSVRHSA-2017:2886 7.7

Red Hat Security Advisory: rh-mysql57-mysql security and bug fix update

Record: RHSA-2017:2886
CVSS 3.0: 7.7 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-3450 7.5

Record: UBUNTU-CVE-2017-3450
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUSN-3269-1 No score

mysql-5.5, mysql-5.7 vulnerabilities

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues.

MySQL has been updated to 5.5.55 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04 have been updated to MySQL 5.7.18.

In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.

Please see the following for more information: http://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-55.html http://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-18.html http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html

Record: USN-3269-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`rh-mysql56-mysql` Red Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs	before 0:5.6.37-5.el6	0:5.6.37-5.el6
`rh-mysql56-mysql-bench` Red Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs	before 0:5.6.37-5.el6	0:5.6.37-5.el6
`rh-mysql56-mysql-common` Red Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs	before 0:5.6.37-5.el6	0:5.6.37-5.el6
`rh-mysql56-mysql-config` Red Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs	before 0:5.6.37-5.el6	0:5.6.37-5.el6
`rh-mysql56-mysql-debuginfo` Red Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs	before 0:5.6.37-5.el6	0:5.6.37-5.el6
`rh-mysql56-mysql-devel` Red Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs	before 0:5.6.37-5.el6	0:5.6.37-5.el6
`rh-mysql56-mysql-errmsg` Red Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs	before 0:5.6.37-5.el6	0:5.6.37-5.el6
`rh-mysql56-mysql-server` Red Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs	before 0:5.6.37-5.el6	0:5.6.37-5.el6
`rh-mysql56-mysql-test` Red Hat:rhel_software_collections:2::el6 From an advisory covering 37 CVEs	before 0:5.6.37-5.el6	0:5.6.37-5.el6
`rh-mysql56-mysql` Red Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs	before 0:5.6.37-5.el7	0:5.6.37-5.el7

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Affected packages
Package	Affected	Fixed
`rh-mysql56-mysql-bench` Red Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs	before 0:5.6.37-5.el7	0:5.6.37-5.el7
`rh-mysql56-mysql-common` Red Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs	before 0:5.6.37-5.el7	0:5.6.37-5.el7
`rh-mysql56-mysql-config` Red Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs	before 0:5.6.37-5.el7	0:5.6.37-5.el7
`rh-mysql56-mysql-debuginfo` Red Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs	before 0:5.6.37-5.el7	0:5.6.37-5.el7
`rh-mysql56-mysql-devel` Red Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs	before 0:5.6.37-5.el7	0:5.6.37-5.el7
`rh-mysql56-mysql-errmsg` Red Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs	before 0:5.6.37-5.el7	0:5.6.37-5.el7
`rh-mysql56-mysql-server` Red Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs	before 0:5.6.37-5.el7	0:5.6.37-5.el7
`rh-mysql56-mysql-test` Red Hat:rhel_software_collections:2::el7 From an advisory covering 37 CVEs	before 0:5.6.37-5.el7	0:5.6.37-5.el7
`rh-mysql57-mysql` Red Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs	before 0:5.7.19-6.el6	0:5.7.19-6.el6
`rh-mysql57-mysql-common` Red Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs	before 0:5.7.19-6.el6	0:5.7.19-6.el6
`rh-mysql57-mysql-config` Red Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs	before 0:5.7.19-6.el6	0:5.7.19-6.el6
`rh-mysql57-mysql-debuginfo` Red Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs	before 0:5.7.19-6.el6	0:5.7.19-6.el6
`rh-mysql57-mysql-devel` Red Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs	before 0:5.7.19-6.el6	0:5.7.19-6.el6
`rh-mysql57-mysql-errmsg` Red Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs	before 0:5.7.19-6.el6	0:5.7.19-6.el6
`rh-mysql57-mysql-server` Red Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs	before 0:5.7.19-6.el6	0:5.7.19-6.el6
`rh-mysql57-mysql-test` Red Hat:rhel_software_collections:2::el6 From an advisory covering 58 CVEs	before 0:5.7.19-6.el6	0:5.7.19-6.el6
`rh-mysql57-mysql` Red Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs	before 0:5.7.19-6.el7	0:5.7.19-6.el7
`rh-mysql57-mysql-common` Red Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs	before 0:5.7.19-6.el7	0:5.7.19-6.el7
`rh-mysql57-mysql-config` Red Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs	before 0:5.7.19-6.el7	0:5.7.19-6.el7
`rh-mysql57-mysql-debuginfo` Red Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs	before 0:5.7.19-6.el7	0:5.7.19-6.el7
`rh-mysql57-mysql-devel` Red Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs	before 0:5.7.19-6.el7	0:5.7.19-6.el7
`rh-mysql57-mysql-errmsg` Red Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs	before 0:5.7.19-6.el7	0:5.7.19-6.el7
`rh-mysql57-mysql-server` Red Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs	before 0:5.7.19-6.el7	0:5.7.19-6.el7
`rh-mysql57-mysql-test` Red Hat:rhel_software_collections:2::el7 From an advisory covering 58 CVEs	before 0:5.7.19-6.el7	0:5.7.19-6.el7
`mysql-5.7` Ubuntu:16.04:LTS	before 5.7.18-0ubuntu0.16.04.1, plus listed versions 5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.1 Show 5 moreShow less 5.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.2	5.7.18-0ubuntu0.16.04.1
`percona-server-5.6` Ubuntu:16.04:LTS	All versions, plus listed versions 5.6.22-rel71.0-0ubuntu25.6.22-rel71.0-0ubuntu45.6.22-rel71.0-0ubuntu4.1	None known
`percona-xtradb-cluster-5.6` Ubuntu:16.04:LTS	All versions, plus listed versions 5.6.21-25.8-0ubuntu25.6.21-25.8-0ubuntu35.6.21-25.8-0ubuntu3.15.6.21-25.8-0ubuntu3.25.6.34-26.19-0ubuntu0.16.04.15.6.34-26.19-0ubuntu0.16.04.25.6.37-26.21-0ubuntu0.16.04.15.6.37-26.21-0ubuntu0.16.04.2	None known
`mysql-5.5` Ubuntu:14.04:LTS From an advisory covering 24 CVEs	before 5.5.55-0ubuntu0.14.04.1, plus listed versions 5.5.32-0ubuntu75.5.34-0ubuntu15.5.34-0ubuntu25.5.35-0ubuntu15.5.35+dfsg-1ubuntu1 Show 13 moreShow less 5.5.37-0ubuntu0.14.04.15.5.38-0ubuntu0.14.04.15.5.40-0ubuntu0.14.04.15.5.41-0ubuntu0.14.04.15.5.43-0ubuntu0.14.04.15.5.44-0ubuntu0.14.04.15.5.46-0ubuntu0.14.04.25.5.47-0ubuntu0.14.04.15.5.49-0ubuntu0.14.04.15.5.50-0ubuntu0.14.04.15.5.52-0ubuntu0.14.04.15.5.53-0ubuntu0.14.04.15.5.54-0ubuntu0.14.04.1	5.5.55-0ubuntu0.14.04.1
`mysql-5.7` Ubuntu:16.04:LTS From an advisory covering 24 CVEs	before 5.7.18-0ubuntu0.16.04.1, plus listed versions 5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.1 Show 5 moreShow less 5.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.2	5.7.18-0ubuntu0.16.04.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-3450 is a high vulnerability (CVSS 7.5) in Oracle Mysql, published April 24, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.28%, the 91st percentile. Fixed in mysql-5.7 5.7.18-0ubuntu0.16.04.1.

References

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Left out here: 100 references. The JSON record has them.