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CVE-2016-8327

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

4.4 MediumFix available

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit vulnerability allows high privileged 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 v3.0 Base Score 4.4 (Availability impacts).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.43%Up 1.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.4

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit vulnerability allows high privileged 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 v3.0 Base Score 4.4 (Availability impacts).

Record
CVE-2016-8327
CVSS 3.0
4.4 MediumCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
3.5 LowAV:N/AC:M/Au:S/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit vulnerability allows high privileged 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 v3.0 Base Score 4.4 (Availability impacts).

Record
CVE-2016-8327
Updated
2026-11-02
EUVDEUVD-2016-9175 No score

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit vulnerability allows high privileged 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 v3.0 Base Score 4.4 (Availability impacts).

Record
EUVD-2016-9175
Updated
2026-11-03
GitHub AdvisoriesGHSA-6v49-7fm7-r439 4.4

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

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit vulnerability allows high privileged 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 v3.0 Base Score 4.4 (Availability impacts).

Record
GHSA-6v49-7fm7-r439
CVSS 3.0
4.4 MediumCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 4.4

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit vulnerability allows high privileged 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 v3.0 Base Score 4.4 (Availability impacts).

Record
CVE-2016-8327
CVSS 3.0
4.4 MediumCVSS:3.0/AV:N/AC:H/PR:H/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-2016-8327 4.4

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit vulnerability allows high privileged 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 v3.0 Base Score 4.4 (Availability impacts).

Record
UBUNTU-CVE-2016-8327
CVSS 3.0
4.4 MediumCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUSN-3174-1 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 5.5.54 in Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Ubuntu 16.04 LTS and Ubuntu 16.10 have been updated to MySQL 5.7.17.

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-5-5-54.html http://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-17.html http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html

Record
USN-3174-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
rh-mysql56-mysql
Red Hat:rhel_software_collections:2::el6
 before 0:5.6.37-5.el6
0:5.6.37-5.el6
rh-mysql56-mysql-bench
Red Hat:rhel_software_collections:2::el6
 before 0:5.6.37-5.el6
0:5.6.37-5.el6
rh-mysql56-mysql-common
Red Hat:rhel_software_collections:2::el6
 before 0:5.6.37-5.el6
0:5.6.37-5.el6
rh-mysql56-mysql-config
Red Hat:rhel_software_collections:2::el6
 before 0:5.6.37-5.el6
0:5.6.37-5.el6
rh-mysql56-mysql-debuginfo
Red Hat:rhel_software_collections:2::el6
 before 0:5.6.37-5.el6
0:5.6.37-5.el6
rh-mysql56-mysql-devel
Red Hat:rhel_software_collections:2::el6
 before 0:5.6.37-5.el6
0:5.6.37-5.el6
rh-mysql56-mysql-errmsg
Red Hat:rhel_software_collections:2::el6
 before 0:5.6.37-5.el6
0:5.6.37-5.el6
rh-mysql56-mysql-server
Red Hat:rhel_software_collections:2::el6
 before 0:5.6.37-5.el6
0:5.6.37-5.el6
rh-mysql56-mysql-test
Red Hat:rhel_software_collections:2::el6
 before 0:5.6.37-5.el6
0:5.6.37-5.el6
rh-mysql56-mysql
Red Hat:rhel_software_collections:2::el7
 before 0:5.6.37-5.el7
0:5.6.37-5.el7
Show 28 moreShow less
Affected packages
PackageAffectedFixed
rh-mysql56-mysql-bench
Red Hat:rhel_software_collections:2::el7
 before 0:5.6.37-5.el7
0:5.6.37-5.el7
rh-mysql56-mysql-common
Red Hat:rhel_software_collections:2::el7
 before 0:5.6.37-5.el7
0:5.6.37-5.el7
rh-mysql56-mysql-config
Red Hat:rhel_software_collections:2::el7
 before 0:5.6.37-5.el7
0:5.6.37-5.el7
rh-mysql56-mysql-debuginfo
Red Hat:rhel_software_collections:2::el7
 before 0:5.6.37-5.el7
0:5.6.37-5.el7
rh-mysql56-mysql-devel
Red Hat:rhel_software_collections:2::el7
 before 0:5.6.37-5.el7
0:5.6.37-5.el7
rh-mysql56-mysql-errmsg
Red Hat:rhel_software_collections:2::el7
 before 0:5.6.37-5.el7
0:5.6.37-5.el7
rh-mysql56-mysql-server
Red Hat:rhel_software_collections:2::el7
 before 0:5.6.37-5.el7
0:5.6.37-5.el7
rh-mysql56-mysql-test
Red Hat:rhel_software_collections:2::el7
 before 0:5.6.37-5.el7
0:5.6.37-5.el7
rh-mysql57-mysql
Red Hat:rhel_software_collections:2::el6
 before 0:5.7.19-6.el6
0:5.7.19-6.el6
rh-mysql57-mysql-common
Red Hat:rhel_software_collections:2::el6
 before 0:5.7.19-6.el6
0:5.7.19-6.el6
rh-mysql57-mysql-config
Red Hat:rhel_software_collections:2::el6
 before 0:5.7.19-6.el6
0:5.7.19-6.el6
rh-mysql57-mysql-debuginfo
Red Hat:rhel_software_collections:2::el6
 before 0:5.7.19-6.el6
0:5.7.19-6.el6
rh-mysql57-mysql-devel
Red Hat:rhel_software_collections:2::el6
 before 0:5.7.19-6.el6
0:5.7.19-6.el6
rh-mysql57-mysql-errmsg
Red Hat:rhel_software_collections:2::el6
 before 0:5.7.19-6.el6
0:5.7.19-6.el6
rh-mysql57-mysql-server
Red Hat:rhel_software_collections:2::el6
 before 0:5.7.19-6.el6
0:5.7.19-6.el6
rh-mysql57-mysql-test
Red Hat:rhel_software_collections:2::el6
 before 0:5.7.19-6.el6
0:5.7.19-6.el6
rh-mysql57-mysql
Red Hat:rhel_software_collections:2::el7
 before 0:5.7.19-6.el7
0:5.7.19-6.el7
rh-mysql57-mysql-common
Red Hat:rhel_software_collections:2::el7
 before 0:5.7.19-6.el7
0:5.7.19-6.el7
rh-mysql57-mysql-config
Red Hat:rhel_software_collections:2::el7
 before 0:5.7.19-6.el7
0:5.7.19-6.el7
rh-mysql57-mysql-debuginfo
Red Hat:rhel_software_collections:2::el7
 before 0:5.7.19-6.el7
0:5.7.19-6.el7
rh-mysql57-mysql-devel
Red Hat:rhel_software_collections:2::el7
 before 0:5.7.19-6.el7
0:5.7.19-6.el7
rh-mysql57-mysql-errmsg
Red Hat:rhel_software_collections:2::el7
 before 0:5.7.19-6.el7
0:5.7.19-6.el7
rh-mysql57-mysql-server
Red Hat:rhel_software_collections:2::el7
 before 0:5.7.19-6.el7
0:5.7.19-6.el7
rh-mysql57-mysql-test
Red Hat:rhel_software_collections:2::el7
 before 0:5.7.19-6.el7
0:5.7.19-6.el7
mysql-5.7
Ubuntu:16.04:LTS
 before 5.7.17-0ubuntu0.16.04.1, plus listed versions
5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.15.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.1
5.7.17-0ubuntu0.16.04.1
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
 before 5.5.54-0ubuntu0.14.04.1, plus listed versions
5.5.32-0ubuntu75.5.34-0ubuntu15.5.34-0ubuntu25.5.35-0ubuntu15.5.35+dfsg-1ubuntu1
Show 12 moreShow less
5.5.37-0ubuntu0.14.04.15.5.38-0ubuntu0.14.04.15.5.40-0ubuntu0.14.04.15.5.41-0ubuntu0.14.04.15.5.43-0ubuntu0.14.04.15.5.44-0ubuntu0.14.04.15.5.46-0ubuntu0.14.04.25.5.47-0ubuntu0.14.04.15.5.49-0ubuntu0.14.04.15.5.50-0ubuntu0.14.04.15.5.52-0ubuntu0.14.04.15.5.53-0ubuntu0.14.04.1
5.5.54-0ubuntu0.14.04.1

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2016-8327 is a medium vulnerability (CVSS 4.4) in Oracle Mysql, published January 18, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.43%, the 84th percentile. Fixed in rh-mysql56-mysql 0:5.6.37-5.el6.

References

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