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CVE-2018-2565

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

4.9 MediumFix available

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: InnoDB). Supported versions that are affected are 5.7.20 and prior. Easily exploitable 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/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
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.53%Up 1.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 4.9

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: InnoDB). Supported versions that are affected are 5.7.20 and prior. Easily exploitable 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
CVE-2018-2565
CVSS 3.0
4.9 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
6.8 MediumAV:N/AC:L/Au:S/C:N/I:N/A:C
Updated
2026-11-02
CVE List No score

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: InnoDB). Supported versions that are affected are 5.7.20 and prior. Easily exploitable 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
CVE-2018-2565
Updated
2026-11-02
EUVDEUVD-2018-14420 No score

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: InnoDB). Supported versions that are affected are 5.7.20 and prior. Easily exploitable 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
EUVD-2018-14420
Updated
2026-11-03
GitHub AdvisoriesGHSA-gj2h-98qh-hq3g 4.9

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

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: InnoDB). Supported versions that are affected are 5.7.20 and prior. Easily exploitable 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
GHSA-gj2h-98qh-hq3g
CVSS 3.0
4.9 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 4.9

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: InnoDB). Supported versions that are affected are 5.7.20 and prior. Easily exploitable 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
CVE-2018-2565
CVSS 3.0
4.9 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2018:0586 7.5

Red Hat Security Advisory: rh-mysql57-mysql security update

Record
RHSA-2018:0586
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
OSVUBUNTU-CVE-2018-2565 4.9

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: InnoDB). Supported versions that are affected are 5.7.20 and prior. Easily exploitable 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
UBUNTU-CVE-2018-2565
CVSS 3.0
4.9 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUSN-3537-1 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 5.5.59 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, and Ubuntu 17.10 have been updated to MySQL 5.7.21.

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-5-5-59.html http://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-21.html http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html

Record
USN-3537-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
rh-mysql57-mysql
Red Hat:rhel_software_collections:3::el6
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el6.1
0:5.7.21-2.el6.1
rh-mysql57-mysql-common
Red Hat:rhel_software_collections:3::el6
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el6.1
0:5.7.21-2.el6.1
rh-mysql57-mysql-config
Red Hat:rhel_software_collections:3::el6
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el6.1
0:5.7.21-2.el6.1
rh-mysql57-mysql-debuginfo
Red Hat:rhel_software_collections:3::el6
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el6.1
0:5.7.21-2.el6.1
rh-mysql57-mysql-devel
Red Hat:rhel_software_collections:3::el6
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el6.1
0:5.7.21-2.el6.1
rh-mysql57-mysql-errmsg
Red Hat:rhel_software_collections:3::el6
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el6.1
0:5.7.21-2.el6.1
rh-mysql57-mysql-server
Red Hat:rhel_software_collections:3::el6
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el6.1
0:5.7.21-2.el6.1
rh-mysql57-mysql-test
Red Hat:rhel_software_collections:3::el6
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el6.1
0:5.7.21-2.el6.1
rh-mysql57-mysql
Red Hat:rhel_software_collections:3::el7
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el7.1
0:5.7.21-2.el7.1
rh-mysql57-mysql-common
Red Hat:rhel_software_collections:3::el7
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el7.1
0:5.7.21-2.el7.1
Show 12 moreShow less
Affected packages
PackageAffectedFixed
rh-mysql57-mysql-config
Red Hat:rhel_software_collections:3::el7
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el7.1
0:5.7.21-2.el7.1
rh-mysql57-mysql-debuginfo
Red Hat:rhel_software_collections:3::el7
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el7.1
0:5.7.21-2.el7.1
rh-mysql57-mysql-devel
Red Hat:rhel_software_collections:3::el7
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el7.1
0:5.7.21-2.el7.1
rh-mysql57-mysql-errmsg
Red Hat:rhel_software_collections:3::el7
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el7.1
0:5.7.21-2.el7.1
rh-mysql57-mysql-server
Red Hat:rhel_software_collections:3::el7
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el7.1
0:5.7.21-2.el7.1
rh-mysql57-mysql-test
Red Hat:rhel_software_collections:3::el7
From an advisory covering 18 CVEs
 before 0:5.7.21-2.el7.1
0:5.7.21-2.el7.1
mysql-5.7
Ubuntu:16.04:LTS
 before 5.7.21-0ubuntu0.16.04.1, plus listed versions
5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.1
Show 8 moreShow less
5.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.25.7.18-0ubuntu0.16.04.15.7.19-0ubuntu0.16.04.15.7.20-0ubuntu0.16.04.1
5.7.21-0ubuntu0.16.04.1
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-5.7
Ubuntu:18.04:LTS
 before 5.7.21-1ubuntu1, plus listed versions
5.7.19-0ubuntu15.7.20-0ubuntu0.17.10.15.7.20-1ubuntu1
5.7.21-1ubuntu1
mysql-5.5
Ubuntu:14.04:LTS
From an advisory covering 19 CVEs
 before 5.5.59-0ubuntu0.14.04.1, plus listed versions
5.5.32-0ubuntu75.5.34-0ubuntu15.5.34-0ubuntu25.5.35-0ubuntu15.5.35+dfsg-1ubuntu1
Show 16 moreShow less
5.5.37-0ubuntu0.14.04.15.5.38-0ubuntu0.14.04.15.5.40-0ubuntu0.14.04.15.5.41-0ubuntu0.14.04.15.5.43-0ubuntu0.14.04.15.5.44-0ubuntu0.14.04.15.5.46-0ubuntu0.14.04.25.5.47-0ubuntu0.14.04.15.5.49-0ubuntu0.14.04.15.5.50-0ubuntu0.14.04.15.5.52-0ubuntu0.14.04.15.5.53-0ubuntu0.14.04.15.5.54-0ubuntu0.14.04.15.5.55-0ubuntu0.14.04.15.5.57-0ubuntu0.14.04.15.5.58-0ubuntu0.14.04.1
5.5.59-0ubuntu0.14.04.1
mysql-5.7
Ubuntu:16.04:LTS
From an advisory covering 19 CVEs
 before 5.7.21-0ubuntu0.16.04.1, plus listed versions
5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.1
Show 8 moreShow less
5.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.25.7.18-0ubuntu0.16.04.15.7.19-0ubuntu0.16.04.15.7.20-0ubuntu0.16.04.1
5.7.21-0ubuntu0.16.04.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2018-2565 is a medium vulnerability (CVSS 4.9) in Oracle Mysql, published January 17, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.53%, the 84th percentile. Fixed in mysql-5.7 5.7.21-0ubuntu0.16.04.1.

References

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