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Fencer Vulns
medium 6.5

CVE-2018-2665 json

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

published 2018-01-18 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-14520

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.0%
EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.58 and prior, 5.6.38 and prior and 5.7.20 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Patch / fix

  • mariadb mariadb 5.5.59, 10.0.34, 10.1.31, 10.2.13
  • mysql-5.5 Ubuntu 14.04 LTS 5.5.59-0ubuntu0.14.04.1
  • mysql-5.7 Ubuntu 16.04 LTS 5.7.21-0ubuntu0.16.04.1
  • mysql-5.7 Ubuntu 18.04 LTS 5.7.21-1ubuntu1

ubuntu advisories UBUNTU-CVE-2018-2665

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mariadb RHEL 7 1:5.5.60-1.el7_5
  • mariadb-libs RHEL 7 1:5.5.60-1.el7_5
  • mariadb-test RHEL 7 1:5.5.60-1.el7_5
  • mariadb-bench RHEL 7 1:5.5.60-1.el7_5
  • mariadb-server RHEL 7 1:5.5.60-1.el7_5
  • mariadb-embedded RHEL 7 1:5.5.60-1.el7_5
  • rh-mariadb102-galera RHEL 3 SOFTWARE_COLLECTIONS 25.3.25-1.el6
  • rh-mariadb102-galera RHEL 3 SOFTWARE_COLLECTIONS 25.3.25-1.el7

red hat advisories RHSA-2018:2439RHSA-2019:1258RHSA-2018:0586RHSA-2018:0587

  • mariadb104 SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 10.4.30-8.5.46
  • lz4 SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.8.0-3.5.2
  • python-mysqlclient SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.3.14-8.9.2
  • mariadb-connector-c SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 3.1.22-2.35.1
  • mariadb OpenStack Cloud 7 10.2.15-7.1
  • galera-3 OpenStack Cloud 7 25.3.23-8.3
  • xtrabackup OpenStack Cloud 7 2.4.10-5.3
  • rubygem-mysql2 OpenStack Cloud 7 0.4.10-7.2

suse advisories SUSE-RU-2023:4991-1SUSE-RU-2023:3956-1SUSE-SU-2018:1853-1SUSE-SU-2018:0697-1SUSE-SU-2018:0698-1SUSE-SU-2018:0422-1

  • mariadb Alpine 3.7, Alpine 3.6, Alpine 3.5 +1 more 10.1.32-r0

alpine advisories ALPINE-CVE-2018-2665

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-2665 updated cvss 6.5

mysql: Server: Optimizer unspecified vulnerability (CPU Jan 2018)

  • Red Hat Enterprise Linux 5 mysql55-mysql Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded Red Hat Enterprise Linux OpenStack Platform 6 (Juno) mariadb-galera Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) mariadb-galera, mariadb-galera-common, mariadb-galera-server Red Hat OpenStack Platform 8 (Liberty) mariadb-galera, mariadb-galera-common, mariadb-galera-server Red Hat OpenStack Platform 9 (Mitaka) mariadb-galera, mariadb-galera-common, mariadb-galera-server
    +4 more products
    Red Hat OpenStack Platform 10 (Newton) mariadb-galera, mariadb-galera-common, mariadb-galera-server Red Hat OpenStack Platform 11 (Ocata) mariadb-galera Red Hat OpenStack Platform 12 (Pike) mariadb-galera-common, mariadb-galera-server Red Hat Software Collections rh-mariadb100-mariadb, rh-mariadb101-mariadb, rh-mariadb100-mariadb-test, rh-mariadb101-mariadb-test, rh-mariadb100-mariadb-bench, rh-mariadb101-mariadb-bench, +11 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) mariadb 5.5.60-1.el7_5, mariadb-libs 5.5.60-1.el7_5, mariadb-server 5.5.60-1.el7_5 Red Hat Enterprise Linux Client Optional (v. 7) mariadb-test 5.5.60-1.el7_5, mariadb-bench 5.5.60-1.el7_5, mariadb-embedded 5.5.60-1.el7_5 Red Hat Enterprise Linux ComputeNode (v. 7) mariadb 5.5.60-1.el7_5, mariadb-libs 5.5.60-1.el7_5 Red Hat Enterprise Linux ComputeNode Optional (v. 7) mariadb-test 5.5.60-1.el7_5, mariadb-bench 5.5.60-1.el7_5, mariadb-server 5.5.60-1.el7_5, mariadb-embedded 5.5.60-1.el7_5 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) mariadb 5.5.60-1.el7_5, mariadb-libs 5.5.60-1.el7_5, mariadb-test 5.5.60-1.el7_5, mariadb-bench 5.5.60-1.el7_5, mariadb-server 5.5.60-1.el7_5 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) mariadb-embedded 5.5.60-1.el7_5
    +4 more products
    Red Hat Enterprise Linux Server (v. 7) mariadb 5.5.60-1.el7_5, mariadb-libs 5.5.60-1.el7_5, mariadb-test 5.5.60-1.el7_5, mariadb-bench 5.5.60-1.el7_5, mariadb-server 5.5.60-1.el7_5 Red Hat Enterprise Linux Server Optional (v. 7) mariadb-embedded 5.5.60-1.el7_5 Red Hat Enterprise Linux Workstation (v. 7) mariadb 5.5.60-1.el7_5, mariadb-libs 5.5.60-1.el7_5, mariadb-test 5.5.60-1.el7_5, mariadb-bench 5.5.60-1.el7_5, mariadb-server 5.5.60-1.el7_5 Red Hat Enterprise Linux Workstation Optional (v. 7) mariadb-embedded 5.5.60-1.el7_5
    fixed: vendor fix RHSA-2018:2439
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-mysql56-mysql 5.6.39-1.el6.1, rh-mysql57-mysql 5.7.21-2.el6.1, rh-mariadb102-galera 25.3.25-1.el6, rh-mariadb102-mariadb 10.2.22-1.el6, rh-mysql56-mysql-test 5.6.39-1.el6.1, rh-mysql57-mysql-test 5.7.21-2.el6.1, +27 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mysql56-mysql 5.6.39-1.el7.1, rh-mysql57-mysql 5.7.21-2.el7.1, rh-mariadb102-galera 25.3.25-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mysql56-mysql-test 5.6.39-1.el7.1, rh-mysql57-mysql-test 5.7.21-2.el7.1, +27 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-mysql56-mysql 5.6.39-1.el6.1, rh-mysql57-mysql 5.7.21-2.el6.1, rh-mysql56-mysql-test 5.6.39-1.el6.1, rh-mysql57-mysql-test 5.7.21-2.el6.1, rh-mysql56-mysql-bench 5.6.39-1.el6.1, rh-mysql56-mysql-common 5.6.39-1.el6.1, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-mysql56-mysql 5.6.39-1.el7.1, rh-mysql57-mysql 5.7.21-2.el7.1, rh-mysql56-mysql-test 5.6.39-1.el7.1, rh-mysql57-mysql-test 5.7.21-2.el7.1, rh-mysql56-mysql-bench 5.6.39-1.el7.1, rh-mysql56-mysql-common 5.6.39-1.el7.1, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-mysql56-mysql 5.6.39-1.el7.1, rh-mysql57-mysql 5.7.21-2.el7.1, rh-mariadb102-galera 25.3.25-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mysql56-mysql-test 5.6.39-1.el7.1, rh-mysql57-mysql-test 5.7.21-2.el7.1, +27 more
    fixed: vendor fix RHSA-2018:0587
  • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-mariadb102-galera 25.3.25-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mariadb102-mariadb-test 10.2.22-1.el7, rh-mariadb102-mariadb-bench 10.2.22-1.el7, rh-mariadb102-mariadb-backup 10.2.22-1.el7, rh-mariadb102-mariadb-common 10.2.22-1.el7, +14 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-mariadb102-galera 25.3.25-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mariadb102-mariadb-test 10.2.22-1.el7, rh-mariadb102-mariadb-bench 10.2.22-1.el7, rh-mariadb102-mariadb-backup 10.2.22-1.el7, rh-mariadb102-mariadb-common 10.2.22-1.el7, +14 more
    fixed: vendor fix RHSA-2019:1258
  • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-mysql56-mysql 5.6.39-1.el6.1, rh-mysql57-mysql 5.7.21-2.el6.1, rh-mariadb102-galera 25.3.25-1.el6, rh-mariadb102-mariadb 10.2.22-1.el6, rh-mysql56-mysql-test 5.6.39-1.el6.1, rh-mysql57-mysql-test 5.7.21-2.el6.1, +27 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mysql56-mysql 5.6.39-1.el7.1, rh-mysql57-mysql 5.7.21-2.el7.1, rh-mariadb102-galera 25.3.25-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mysql56-mysql-test 5.6.39-1.el7.1, rh-mysql57-mysql-test 5.7.21-2.el7.1, +27 more
    fixed: vendor fix RHSA-2018:0587
  • Red Hat Enterprise Linux 8 Judy, galera, mariadb, mariadb-pam, mariadb-test, mariadb-backup, +8 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

3.98% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 6.8 AV:N/AC:L/Au:S/C:N/I:N/A:C

Affected products

  • Oracle Corporation MySQL Server

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.